diff --git a/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/GroupController.kt b/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/GroupController.kt
index 5238386..563345d 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/GroupController.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/GroupController.kt
@@ -38,9 +38,7 @@ class GroupController(
     @GetMapping("/{id}")
     @PreAuthorize("hasAnyAuthority('system:group:query:one')")
     fun getOne(@PathVariable id: Long): ResponseResult<GroupWithRoleVo> =
-        ResponseResult.databaseSuccess(
-            data = groupService.getOne(id)
-        )
+        ResponseResult.databaseSuccess(data = groupService.getOne(id))
 
     /**
      * Get group paging information
@@ -76,7 +74,7 @@ class GroupController(
     @PreAuthorize("hasAnyAuthority('system:group:query:list', 'system:user:add:one', 'system:user:modify:one')")
     fun list(): ResponseResult<List<GroupVo>> =
         ResponseResult.databaseSuccess(
-            data = groupService.listAll()
+            data = groupService.getList()
         )
 
     /**
@@ -94,11 +92,9 @@ class GroupController(
     @PostMapping
     @PreAuthorize("hasAnyAuthority('system:group:add:one')")
     fun add(@Valid @RequestBody groupAddParam: GroupAddParam): ResponseResult<GroupVo> =
-        groupService.add(groupAddParam)?.let {
-            ResponseResult.databaseSuccess(
-                ResponseCode.DATABASE_INSERT_SUCCESS, data = it
-            )
-        } ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_INSERT_FAILED) }
+        ResponseResult.databaseSuccess(
+            ResponseCode.DATABASE_INSERT_SUCCESS, data = groupService.add(groupAddParam)
+        )
 
     /**
      * Update group
@@ -115,11 +111,9 @@ class GroupController(
     @PutMapping
     @PreAuthorize("hasAnyAuthority('system:group:modify:one')")
     fun update(@Valid @RequestBody groupUpdateParam: GroupUpdateParam): ResponseResult<GroupVo> =
-        groupService.update(groupUpdateParam)?.let {
-            ResponseResult.databaseSuccess(
-                ResponseCode.DATABASE_UPDATE_SUCCESS, data = it
-            )
-        } ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_UPDATE_FILED) }
+        ResponseResult.databaseSuccess(
+            ResponseCode.DATABASE_UPDATE_SUCCESS, data = groupService.update(groupUpdateParam)
+        )
 
     /**
      * Update status of group
@@ -134,12 +128,10 @@ class GroupController(
     @Operation(summary = "修改用户组状态")
     @PatchMapping
     @PreAuthorize("hasAnyAuthority('system:group:modify:status')")
-    fun updateStatus(@Valid @RequestBody groupUpdateStatusParam: GroupUpdateStatusParam): ResponseResult<Nothing> =
-        if (groupService.status(groupUpdateStatusParam)) {
-            ResponseResult.databaseSuccess(ResponseCode.DATABASE_UPDATE_SUCCESS)
-        } else {
-            ResponseResult.databaseFail(ResponseCode.DATABASE_UPDATE_FILED)
-        }
+    fun updateStatus(@Valid @RequestBody groupUpdateStatusParam: GroupUpdateStatusParam): ResponseResult<Nothing> {
+        groupService.status(groupUpdateStatusParam)
+        return ResponseResult.databaseSuccess(ResponseCode.DATABASE_UPDATE_SUCCESS)
+    }
 
     /**
      * Delete group by ID
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/RoleController.kt b/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/RoleController.kt
index c92dee9..0a45bb8 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/RoleController.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/RoleController.kt
@@ -37,11 +37,8 @@ class RoleController(
     @Operation(summary = "获取单个角色")
     @GetMapping("/{id}")
     @PreAuthorize("hasAnyAuthority('system:role:query:one')")
-    fun getOne(@PathVariable id: Long): ResponseResult<RoleWithPowerVo> {
-        return ResponseResult.databaseSuccess(
-            data = roleService.getOne(id)
-        )
-    }
+    fun getOne(@PathVariable id: Long): ResponseResult<RoleWithPowerVo> =
+        ResponseResult.databaseSuccess(data = roleService.getOne(id))
 
     /**
      * Get role paging information
@@ -57,11 +54,10 @@ class RoleController(
     @Operation(summary = "获取角色")
     @GetMapping
     @PreAuthorize("hasAnyAuthority('system:role:query:all')")
-    fun get(roleGetParam: RoleGetParam?): ResponseResult<PageVo<RoleWithPowerVo>> {
-        return ResponseResult.databaseSuccess(
+    fun get(roleGetParam: RoleGetParam?): ResponseResult<PageVo<RoleWithPowerVo>> =
+        ResponseResult.databaseSuccess(
             data = roleService.getPage(roleGetParam)
         )
-    }
 
     /**
      * Get role list
@@ -77,7 +73,7 @@ class RoleController(
     @PreAuthorize("hasAnyAuthority('system:role:query:list', 'system:group:add:one', 'system:group:modify:one', 'system:user:add:one', 'system:user:modify:one')")
     fun list(): ResponseResult<List<RoleVo>> {
         return ResponseResult.databaseSuccess(
-            data = roleService.listAll()
+            data = roleService.getList()
         )
     }
 
@@ -95,13 +91,10 @@ class RoleController(
     @Operation(summary = "添加角色")
     @PostMapping
     @PreAuthorize("hasAnyAuthority('system:role:add:one')")
-    fun add(@Valid @RequestBody roleAddParam: RoleAddParam): ResponseResult<RoleVo> {
-        return roleService.add(roleAddParam)?.let {
-            ResponseResult.databaseSuccess(
-                ResponseCode.DATABASE_INSERT_SUCCESS, data = it
-            )
-        } ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_INSERT_FAILED) }
-    }
+    fun add(@Valid @RequestBody roleAddParam: RoleAddParam): ResponseResult<RoleVo> =
+        ResponseResult.databaseSuccess(
+            ResponseCode.DATABASE_INSERT_SUCCESS, data = roleService.add(roleAddParam)
+        )
 
     /**
      * Update role
@@ -117,13 +110,10 @@ class RoleController(
     @Operation(summary = "修改角色")
     @PutMapping
     @PreAuthorize("hasAnyAuthority('system:role:modify:one')")
-    fun update(@Valid @RequestBody roleUpdateParam: RoleUpdateParam): ResponseResult<RoleVo> {
-        return roleService.update(roleUpdateParam)?.let {
-            ResponseResult.databaseSuccess(
-                ResponseCode.DATABASE_UPDATE_SUCCESS, data = it
-            )
-        } ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_UPDATE_FILED) }
-    }
+    fun update(@Valid @RequestBody roleUpdateParam: RoleUpdateParam): ResponseResult<RoleVo> =
+        ResponseResult.databaseSuccess(
+            ResponseCode.DATABASE_UPDATE_SUCCESS, data = roleService.update(roleUpdateParam)
+        )
 
     /**
      * Update status of role
@@ -139,11 +129,8 @@ class RoleController(
     @PatchMapping
     @PreAuthorize("hasAnyAuthority('system:role:modify:status')")
     fun status(@Valid @RequestBody roleUpdateStatusParam: RoleUpdateStatusParam): ResponseResult<Nothing> {
-        return if (roleService.status(roleUpdateStatusParam)) {
-            ResponseResult.databaseSuccess(ResponseCode.DATABASE_UPDATE_SUCCESS)
-        } else {
-            ResponseResult.databaseFail(ResponseCode.DATABASE_UPDATE_FILED)
-        }
+        roleService.status(roleUpdateStatusParam)
+        return ResponseResult.databaseSuccess(ResponseCode.DATABASE_UPDATE_SUCCESS)
     }
 
     /**
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/UserController.kt b/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/UserController.kt
index 9cb4261..6c23fa7 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/UserController.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/controller/permission/UserController.kt
@@ -7,7 +7,6 @@ import org.springframework.web.bind.annotation.*
 import top.fatweb.oxygen.api.annotation.BaseController
 import top.fatweb.oxygen.api.entity.common.ResponseCode
 import top.fatweb.oxygen.api.entity.common.ResponseResult
-import top.fatweb.oxygen.api.exception.NoRecordFoundException
 import top.fatweb.oxygen.api.param.permission.user.*
 import top.fatweb.oxygen.api.service.permission.IUserService
 import top.fatweb.oxygen.api.vo.PageVo
@@ -38,9 +37,7 @@ class UserController(
     @Operation(summary = "获取当前用户信息")
     @GetMapping("info")
     fun getInfo(): ResponseResult<UserWithPowerInfoVo> =
-        userService.getInfo()?.let {
-            ResponseResult.databaseSuccess(data = it)
-        } ?: let { ResponseResult.databaseFail() }
+        ResponseResult.databaseSuccess(data = userService.getInfo())
 
     /**
      * Get user by ID
@@ -56,11 +53,7 @@ class UserController(
     @GetMapping("/{id}")
     @PreAuthorize("hasAnyAuthority('system:user:query:one')")
     fun getOne(@PathVariable id: Long): ResponseResult<UserWithRoleInfoVo> =
-        userService.getOne(id)?.let {
-            ResponseResult.databaseSuccess(data = it)
-        } ?: let {
-            throw NoRecordFoundException()
-        }
+        ResponseResult.databaseSuccess(data = userService.getOne(id))
 
     /**
      * Get user paging information
@@ -96,11 +89,9 @@ class UserController(
     @PostMapping
     @PreAuthorize("hasAnyAuthority('system:user:add:one')")
     fun add(@Valid @RequestBody userAddParam: UserAddParam): ResponseResult<UserWithPasswordRoleInfoVo> =
-        userService.add(userAddParam)?.let {
-            ResponseResult.databaseSuccess(
-                ResponseCode.DATABASE_INSERT_SUCCESS, data = it
-            )
-        } ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_INSERT_FAILED) }
+        ResponseResult.databaseSuccess(
+            ResponseCode.DATABASE_INSERT_SUCCESS, data = userService.add(userAddParam)
+        )
 
     /**
      * Update user
@@ -117,11 +108,9 @@ class UserController(
     @PutMapping
     @PreAuthorize("hasAnyAuthority('system:user:modify:one')")
     fun update(@Valid @RequestBody userUpdateParam: UserUpdateParam): ResponseResult<UserWithRoleInfoVo> =
-        userService.update(userUpdateParam)?.let {
-            ResponseResult.databaseSuccess(
-                ResponseCode.DATABASE_UPDATE_SUCCESS, data = it
-            )
-        } ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_UPDATE_FILED) }
+        ResponseResult.databaseSuccess(
+            ResponseCode.DATABASE_UPDATE_SUCCESS, data = userService.update(userUpdateParam)
+        )
 
     /**
      * Update user password
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/BaseController.kt b/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/BaseController.kt
index d7d95b7..5d14167 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/BaseController.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/BaseController.kt
@@ -18,8 +18,7 @@ class BaseController(
     @Operation(summary = "获取单个基板")
     @GetMapping("/{id}")
     fun getOne(@PathVariable id: Long): ResponseResult<ToolBaseVo> =
-        toolBaseService.getOne(id)?.let { ResponseResult.databaseSuccess(data = it) }
-            ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_NO_RECORD_FOUND) }
+        ResponseResult.databaseSuccess(data = toolBaseService.getOne(id))
 
     @Operation(summary = "获取基板")
     @GetMapping
@@ -46,5 +45,5 @@ class BaseController(
     @DeleteMapping("/{id}")
     fun delete(@PathVariable id: Long): ResponseResult<Nothing> =
         if (toolBaseService.delete(id)) ResponseResult.databaseSuccess(ResponseCode.DATABASE_DELETE_SUCCESS)
-        else ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FILED)
+        else ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FAILED)
 }
\ No newline at end of file
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/CategoryController.kt b/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/CategoryController.kt
index 09ef95f..504e3d1 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/CategoryController.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/CategoryController.kt
@@ -25,8 +25,7 @@ class CategoryController(
     @Operation(summary = "获取单个类别")
     @GetMapping("/{id}")
     fun getOne(@PathVariable id: Long): ResponseResult<ToolCategoryVo> =
-        toolCategoryService.getOne(id)?.let { ResponseResult.databaseSuccess(data = it) }
-            ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_NO_RECORD_FOUND) }
+        ResponseResult.databaseSuccess(data = toolCategoryService.getOne(id))
 
     @Operation(summary = "获取类别")
     @GetMapping
@@ -53,5 +52,5 @@ class CategoryController(
     @DeleteMapping("/{id}")
     fun delete(@PathVariable id: Long): ResponseResult<Nothing> =
         if (toolCategoryService.delete(id)) ResponseResult.databaseSuccess(ResponseCode.DATABASE_DELETE_SUCCESS)
-        else ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FILED)
+        else ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FAILED)
 }
\ No newline at end of file
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/EditController.kt b/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/EditController.kt
index 8027b4b..e69c0c0 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/EditController.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/EditController.kt
@@ -24,8 +24,7 @@ class EditController(
     @Operation(summary = "获取单个工具")
     @GetMapping("/{id}")
     fun getOne(@PathVariable id: Long): ResponseResult<ToolVo> =
-        toolService.getOne(id)?.let { ResponseResult.databaseSuccess(data = it) }
-            ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_NO_RECORD_FOUND) }
+        ResponseResult.databaseSuccess(data = toolService.getOne(id))
 
     @Operation(summary = "获取工具")
     @GetMapping
@@ -52,5 +51,5 @@ class EditController(
     @DeleteMapping("/{id}")
     fun delete(@PathVariable id: Long): ResponseResult<Nothing> =
         if (toolService.delete(id)) ResponseResult.databaseSuccess(ResponseCode.DATABASE_DELETE_SUCCESS)
-        else ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FILED)
+        else ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FAILED)
 }
\ No newline at end of file
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/ManagementController.kt b/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/ManagementController.kt
index 1db647c..9e09628 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/ManagementController.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/ManagementController.kt
@@ -18,8 +18,7 @@ class ManagementController(
     @Operation(summary = "获取单个工具")
     @GetMapping("/{id}")
     fun getOne(@PathVariable id: Long): ResponseResult<ToolVo> =
-        toolService.getOne(id)?.let { ResponseResult.databaseSuccess(data = it) }
-            ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_NO_RECORD_FOUND) }
+        ResponseResult.databaseSuccess(data = toolService.getOne(id))
 
     @Operation(summary = "获取工具")
     @GetMapping
@@ -46,5 +45,5 @@ class ManagementController(
     @DeleteMapping("/{id}")
     fun delete(@PathVariable id: Long): ResponseResult<Nothing> =
         if (toolService.delete(id)) ResponseResult.databaseSuccess(ResponseCode.DATABASE_DELETE_SUCCESS)
-        else ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FILED)
+        else ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FAILED)
 }
\ No newline at end of file
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/TemplateController.kt b/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/TemplateController.kt
index e9eb154..2067c58 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/TemplateController.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/controller/tool/TemplateController.kt
@@ -18,8 +18,7 @@ class TemplateController(
     @Operation(summary = "获取单个模板")
     @GetMapping("/{id}")
     fun getOne(@PathVariable id: Long): ResponseResult<ToolTemplateVo> =
-        toolTemplateService.getOne(id)?.let { ResponseResult.databaseSuccess(data = it) }
-            ?: let { ResponseResult.databaseFail(ResponseCode.DATABASE_NO_RECORD_FOUND) }
+        ResponseResult.databaseSuccess(data = toolTemplateService.getOne(id))
 
     @Operation(summary = "获取模板")
     @GetMapping
@@ -46,5 +45,5 @@ class TemplateController(
     @DeleteMapping("/{id}")
     fun delete(@PathVariable id: Long): ResponseResult<Nothing> =
         if (toolTemplateService.delete(id)) ResponseResult.databaseSuccess(ResponseCode.DATABASE_DELETE_SUCCESS)
-        else ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FILED)
+        else ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FAILED)
 }
\ No newline at end of file
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/converter/tool/ToolBaseConverter.kt b/src/main/kotlin/top/fatweb/oxygen/api/converter/tool/ToolBaseConverter.kt
index d9b3333..ba16e30 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/converter/tool/ToolBaseConverter.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/converter/tool/ToolBaseConverter.kt
@@ -1,7 +1,6 @@
 package top.fatweb.oxygen.api.converter.tool
 
 import top.fatweb.oxygen.api.entity.tool.ToolBase
-import top.fatweb.oxygen.api.param.tool.ToolBaseAddParam
 import top.fatweb.oxygen.api.vo.tool.ToolBaseVo
 
 object ToolBaseConverter {
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/entity/common/ResponseCode.kt b/src/main/kotlin/top/fatweb/oxygen/api/entity/common/ResponseCode.kt
index 4e3032c..047c15f 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/entity/common/ResponseCode.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/entity/common/ResponseCode.kt
@@ -51,9 +51,9 @@ enum class ResponseCode(val code: Int) {
     DATABASE_INSERT_SUCCESS(BusinessCode.DATABASE, 10),
     DATABASE_INSERT_FAILED(BusinessCode.DATABASE, 15),
     DATABASE_UPDATE_SUCCESS(BusinessCode.DATABASE, 20),
-    DATABASE_UPDATE_FILED(BusinessCode.DATABASE, 25),
+    DATABASE_UPDATE_FAILED(BusinessCode.DATABASE, 25),
     DATABASE_DELETE_SUCCESS(BusinessCode.DATABASE, 30),
-    DATABASE_DELETE_FILED(BusinessCode.DATABASE, 35),
+    DATABASE_DELETE_FAILED(BusinessCode.DATABASE, 35),
     DATABASE_EXECUTE_ERROR(BusinessCode.DATABASE, 50),
     DATABASE_DUPLICATE_KEY(BusinessCode.DATABASE, 51),
     DATABASE_NO_RECORD_FOUND(BusinessCode.DATABASE, 52),
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseDeleteException.kt b/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseDeleteException.kt
new file mode 100644
index 0000000..f6926b2
--- /dev/null
+++ b/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseDeleteException.kt
@@ -0,0 +1,3 @@
+package top.fatweb.oxygen.api.exception
+
+class DatabaseDeleteException(message: String = "Database delete failed"): RuntimeException(message)
\ No newline at end of file
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseInsertException.kt b/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseInsertException.kt
new file mode 100644
index 0000000..1744ea7
--- /dev/null
+++ b/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseInsertException.kt
@@ -0,0 +1,3 @@
+package top.fatweb.oxygen.api.exception
+
+class DatabaseInsertException(message: String = "Database insert failed"): RuntimeException(message)
\ No newline at end of file
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseSelectException.kt b/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseSelectException.kt
new file mode 100644
index 0000000..e8e1d2b
--- /dev/null
+++ b/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseSelectException.kt
@@ -0,0 +1,3 @@
+package top.fatweb.oxygen.api.exception
+
+class DatabaseSelectException(message: String = "Database select failed"): RuntimeException(message)
\ No newline at end of file
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseUpdateException.kt b/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseUpdateException.kt
new file mode 100644
index 0000000..c2fa87c
--- /dev/null
+++ b/src/main/kotlin/top/fatweb/oxygen/api/exception/DatabaseUpdateException.kt
@@ -0,0 +1,3 @@
+package top.fatweb.oxygen.api.exception
+
+class DatabaseUpdateException(message: String = "Database update failed"): RuntimeException(message)
\ No newline at end of file
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/handler/ExceptionHandler.kt b/src/main/kotlin/top/fatweb/oxygen/api/handler/ExceptionHandler.kt
index a47a3c3..879627a 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/handler/ExceptionHandler.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/handler/ExceptionHandler.kt
@@ -166,6 +166,26 @@ class ExceptionHandler {
             }
 
             /* SQL */
+            is DatabaseSelectException -> {
+                logger.debug(e.localizedMessage, e)
+                ResponseResult.databaseFail(ResponseCode.DATABASE_SELECT_FAILED, e.localizedMessage, null)
+            }
+
+            is DatabaseInsertException -> {
+                logger.debug(e.localizedMessage, e)
+                ResponseResult.databaseFail(ResponseCode.DATABASE_INSERT_FAILED, e.localizedMessage, null)
+            }
+
+            is DatabaseUpdateException -> {
+                logger.debug(e.localizedMessage, e)
+                ResponseResult.databaseFail(ResponseCode.DATABASE_UPDATE_FAILED, e.localizedMessage, null)
+            }
+
+            is DatabaseDeleteException -> {
+                logger.debug(e.localizedMessage, e)
+                ResponseResult.databaseFail(ResponseCode.DATABASE_DELETE_FAILED, e.localizedMessage, null)
+            }
+
             is BadSqlGrammarException -> {
                 logger.debug(e.localizedMessage, e)
                 ResponseResult.fail(ResponseCode.DATABASE_EXECUTE_ERROR, "Incorrect SQL syntax", null)
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/api/v1/impl/AvatarServiceImpl.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/api/v1/impl/AvatarServiceImpl.kt
index b117db4..9fc383d 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/api/v1/impl/AvatarServiceImpl.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/api/v1/impl/AvatarServiceImpl.kt
@@ -59,12 +59,12 @@ class AvatarServiceImpl : IAvatarService {
             if (avatarBaseParam == null || avatarBaseParam.colors.isNullOrEmpty())
                 TriangleAvatar.newAvatarBuilder()
             else TriangleAvatar.newAvatarBuilder(
-                *avatarBaseParam.colors!!.map { decodeColor(it) }.toTypedArray()
+                *avatarBaseParam.colors!!.map(this::decodeColor).toTypedArray()
             )
             ).apply {
-                avatarBaseParam?.size?.let { size(it, it) }
-                avatarBaseParam?.margin?.let { margin(it) }
-                avatarBaseParam?.padding?.let { padding(it) }
+                avatarBaseParam?.size?.let(this::size)
+                avatarBaseParam?.margin?.let(this::margin)
+                avatarBaseParam?.padding?.let(this::padding)
                 avatarBaseParam?.background?.let { layers(ColorPaintBackgroundLayer(decodeColor(it))) }
             }.build()
 
@@ -79,12 +79,12 @@ class AvatarServiceImpl : IAvatarService {
             if (avatarBaseParam == null || avatarBaseParam.colors.isNullOrEmpty())
                 SquareAvatar.newAvatarBuilder()
             else SquareAvatar.newAvatarBuilder(
-                *avatarBaseParam.colors!!.map { decodeColor(it) }.toTypedArray()
+                *avatarBaseParam.colors!!.map(this::decodeColor).toTypedArray()
             )
             ).apply {
-                avatarBaseParam?.size?.let { size(it, it) }
-                avatarBaseParam?.margin?.let { margin(it) }
-                avatarBaseParam?.padding?.let { padding(it) }
+                avatarBaseParam?.size?.let(this::size)
+                avatarBaseParam?.margin?.let(this::margin)
+                avatarBaseParam?.padding?.let(this::padding)
                 avatarBaseParam?.background?.let { layers(ColorPaintBackgroundLayer(decodeColor(it))) }
             }.build()
 
@@ -96,9 +96,9 @@ class AvatarServiceImpl : IAvatarService {
 
     override fun identicon(avatarBaseParam: AvatarBaseParam?): ByteArray {
         val avatar = IdenticonAvatar.newAvatarBuilder().apply {
-            avatarBaseParam?.size?.let { size(it, it) }
-            avatarBaseParam?.margin?.let { margin(it) }
-            avatarBaseParam?.padding?.let { padding(it) }
+            avatarBaseParam?.size?.let(this::size)
+            avatarBaseParam?.margin?.let(this::margin)
+            avatarBaseParam?.padding?.let(this::padding)
             if (avatarBaseParam != null && !avatarBaseParam.colors.isNullOrEmpty()) {
                 color(decodeColor(avatarBaseParam.colors!!.random()))
             }
@@ -114,9 +114,9 @@ class AvatarServiceImpl : IAvatarService {
     override fun github(avatarGitHubParam: AvatarGitHubParam?): ByteArray {
         val avatar = (avatarGitHubParam?.let { GitHubAvatar.newAvatarBuilder(it.elementSize, it.precision) }
             ?: let { GitHubAvatar.newAvatarBuilder(400, 5) }).apply {
-            avatarGitHubParam?.size?.let { size(it, it) }
-            avatarGitHubParam?.margin?.let { margin(it) }
-            avatarGitHubParam?.padding?.let { padding(it) }
+            avatarGitHubParam?.size?.let(this::size)
+            avatarGitHubParam?.margin?.let(this::margin)
+            avatarGitHubParam?.padding?.let(this::padding)
             if (avatarGitHubParam != null && !avatarGitHubParam.colors.isNullOrEmpty()) {
                 color(decodeColor(avatarGitHubParam.colors!!.random()))
             }
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IGroupService.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IGroupService.kt
index 761ef8d..9db4c4f 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IGroupService.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IGroupService.kt
@@ -16,6 +16,17 @@ import top.fatweb.oxygen.api.vo.permission.base.GroupVo
  * @see Group
  */
 interface IGroupService : IService<Group> {
+    /**
+     * Get one group by ID
+     *
+     * @param id ID
+     * @return GroupWithRoleVo object
+     * @author FatttSnake, fatttsnake@gmail.com
+     * @since 1.0.0
+     * @see GroupWithRoleVo
+     */
+    fun getOne(id: Long): GroupWithRoleVo
+
     /**
      * Get group in page
      *
@@ -29,17 +40,6 @@ interface IGroupService : IService<Group> {
      */
     fun getPage(groupGetParam: GroupGetParam?): PageVo<GroupWithRoleVo>
 
-    /**
-     * Get one group by ID
-     *
-     * @param id ID
-     * @return GroupWithRoleVo object
-     * @author FatttSnake, fatttsnake@gmail.com
-     * @since 1.0.0
-     * @see GroupWithRoleVo
-     */
-    fun getOne(id: Long): GroupWithRoleVo?
-
     /**
      * Get all group in list
      *
@@ -48,7 +48,7 @@ interface IGroupService : IService<Group> {
      * @since 1.0.0
      * @see GroupVo
      */
-    fun listAll(): List<GroupVo>
+    fun getList(): List<GroupVo>
 
     /**
      * Add group
@@ -60,7 +60,7 @@ interface IGroupService : IService<Group> {
      * @see GroupAddParam
      * @see GroupVo
      */
-    fun add(groupAddParam: GroupAddParam): GroupVo?
+    fun add(groupAddParam: GroupAddParam): GroupVo
 
     /**
      * Update group
@@ -72,7 +72,7 @@ interface IGroupService : IService<Group> {
      * @see GroupUpdateParam
      * @see GroupVo
      */
-    fun update(groupUpdateParam: GroupUpdateParam): GroupVo?
+    fun update(groupUpdateParam: GroupUpdateParam): GroupVo
 
     /**
      * Update status of group
@@ -83,7 +83,7 @@ interface IGroupService : IService<Group> {
      * @since 1.0.0
      * @see GroupUpdateStatusParam
      */
-    fun status(groupUpdateStatusParam: GroupUpdateStatusParam): Boolean
+    fun status(groupUpdateStatusParam: GroupUpdateStatusParam)
 
     /**
      * Delete group by ID
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IRoleService.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IRoleService.kt
index c12c6d8..37d6da7 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IRoleService.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IRoleService.kt
@@ -16,6 +16,17 @@ import top.fatweb.oxygen.api.vo.permission.base.RoleVo
  * @see Role
  */
 interface IRoleService : IService<Role> {
+    /**
+     * Get user by ID
+     *
+     * @param id ID
+     * @return RoleWithPowerVo object
+     * @author FatttSnake, fatttsnake@gmail.com
+     * @since 1.0.0
+     * @see RoleWithPowerVo
+     */
+    fun getOne(id: Long): RoleWithPowerVo
+
     /**
      * Get role in page
      *
@@ -29,17 +40,6 @@ interface IRoleService : IService<Role> {
      */
     fun getPage(roleGetParam: RoleGetParam?): PageVo<RoleWithPowerVo>
 
-    /**
-     * Get user by ID
-     *
-     * @param id ID
-     * @return RoleWithPowerVo object
-     * @author FatttSnake, fatttsnake@gmail.com
-     * @since 1.0.0
-     * @see RoleWithPowerVo
-     */
-    fun getOne(id: Long): RoleWithPowerVo?
-
     /**
      * Get all role in list
      *
@@ -48,7 +48,7 @@ interface IRoleService : IService<Role> {
      * @since 1.0.0
      * @see RoleVo
      */
-    fun listAll(): List<RoleVo>
+    fun getList(): List<RoleVo>
 
     /**
      * Add role
@@ -60,7 +60,7 @@ interface IRoleService : IService<Role> {
      * @see RoleAddParam
      * @see RoleVo
      */
-    fun add(roleAddParam: RoleAddParam): RoleVo?
+    fun add(roleAddParam: RoleAddParam): RoleVo
 
     /**
      * Update role
@@ -72,7 +72,7 @@ interface IRoleService : IService<Role> {
      * @see RoleUpdateParam
      * @see RoleVo
      */
-    fun update(roleUpdateParam: RoleUpdateParam): RoleVo?
+    fun update(roleUpdateParam: RoleUpdateParam): RoleVo
 
     /**
      * Update status of role
@@ -83,7 +83,7 @@ interface IRoleService : IService<Role> {
      * @since 1.0.0
      * @see RoleUpdateStatusParam
      */
-    fun status(roleUpdateStatusParam: RoleUpdateStatusParam): Boolean
+    fun status(roleUpdateStatusParam: RoleUpdateStatusParam)
 
     /**
      * Delete role by ID
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IUserService.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IUserService.kt
index fe38623..3406bf8 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IUserService.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/IUserService.kt
@@ -37,7 +37,18 @@ interface IUserService : IService<User> {
      * @since 1.0.0
      * @see UserWithPowerInfoVo
      */
-    fun getInfo(): UserWithPowerInfoVo?
+    fun getInfo(): UserWithPowerInfoVo
+
+    /**
+     * Get one user by ID
+     *
+     * @param id ID
+     * @return UserWithRoleInfoVo object
+     * @author FatttSnake, fatttsnake@gmail.com
+     * @since 1.0.0
+     * @see UserWithRoleInfoVo
+     */
+    fun getOne(id: Long): UserWithRoleInfoVo
 
     /**
      * Get user in page
@@ -52,17 +63,6 @@ interface IUserService : IService<User> {
      */
     fun getPage(userGetParam: UserGetParam?): PageVo<UserWithRoleInfoVo>
 
-    /**
-     * Get one user by ID
-     *
-     * @param id ID
-     * @return UserWithRoleInfoVo object
-     * @author FatttSnake, fatttsnake@gmail.com
-     * @since 1.0.0
-     * @see UserWithRoleInfoVo
-     */
-    fun getOne(id: Long): UserWithRoleInfoVo?
-
     /**
      * Get all user as list
      *
@@ -71,7 +71,7 @@ interface IUserService : IService<User> {
      * @since 1.0.0
      * @see UserWithInfoVo
      */
-    fun listAll(): List<UserWithInfoVo>
+    fun getList(): List<UserWithInfoVo>
 
     /**
      * Add user
@@ -83,7 +83,7 @@ interface IUserService : IService<User> {
      * @see UserAddParam
      * @see UserWithPasswordRoleInfoVo
      */
-    fun add(userAddParam: UserAddParam): UserWithPasswordRoleInfoVo?
+    fun add(userAddParam: UserAddParam): UserWithPasswordRoleInfoVo
 
     /**
      * Update user
@@ -95,7 +95,7 @@ interface IUserService : IService<User> {
      * @see UserUpdateParam
      * @see UserWithRoleInfoVo
      */
-    fun update(userUpdateParam: UserUpdateParam): UserWithRoleInfoVo?
+    fun update(userUpdateParam: UserUpdateParam): UserWithRoleInfoVo
 
     /**
      * Update user password
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/AuthenticationServiceImpl.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/AuthenticationServiceImpl.kt
index dc6fd10..45c7a58 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/AuthenticationServiceImpl.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/AuthenticationServiceImpl.kt
@@ -92,7 +92,7 @@ class AuthenticationServiceImpl(
 
         sendVerifyMail(user.username!!, user.verify!!, registerParam.email!!)
 
-        val loginVo = this.login(request, registerParam.username!!, registerParam.password!!)
+        val loginVo = this.login(request, registerParam.username, registerParam.password!!)
 
         return RegisterVo(token = loginVo.token, userId = loginVo.userId)
     }
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/GroupServiceImpl.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/GroupServiceImpl.kt
index 246137c..d81da51 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/GroupServiceImpl.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/GroupServiceImpl.kt
@@ -8,6 +8,9 @@ import org.springframework.transaction.annotation.Transactional
 import top.fatweb.oxygen.api.converter.permission.GroupConverter
 import top.fatweb.oxygen.api.entity.permission.Group
 import top.fatweb.oxygen.api.entity.permission.RRoleGroup
+import top.fatweb.oxygen.api.exception.DatabaseInsertException
+import top.fatweb.oxygen.api.exception.DatabaseUpdateException
+import top.fatweb.oxygen.api.exception.NoRecordFoundException
 import top.fatweb.oxygen.api.mapper.permission.GroupMapper
 import top.fatweb.oxygen.api.param.permission.group.*
 import top.fatweb.oxygen.api.service.permission.IGroupService
@@ -54,55 +57,51 @@ class GroupServiceImpl(
         return GroupConverter.groupPageToGroupWithRolePageVo(groupPage)
     }
 
-    override fun getOne(id: Long): GroupWithRoleVo? {
-        return baseMapper.selectOneById(id)?.let { GroupConverter.groupToGroupWithRoleVo(it) } ?: let { null }
-    }
+    override fun getOne(id: Long): GroupWithRoleVo =
+        baseMapper.selectOneById(id)?.let(GroupConverter::groupToGroupWithRoleVo) ?: throw NoRecordFoundException()
 
-    override fun listAll(): List<GroupVo> {
-        val groups = this.list()
-
-        return groups.map { GroupConverter.groupToGroupVo(it) }
-    }
+    override fun getList(): List<GroupVo> = this.list().map(GroupConverter::groupToGroupVo)
 
     @Transactional
-    override fun add(groupAddParam: GroupAddParam): GroupVo? {
+    override fun add(groupAddParam: GroupAddParam): GroupVo {
         val group = GroupConverter.groupAddParamToGroup(groupAddParam)
-        if (baseMapper.insert(group) == 1) {
-            if (group.roles.isNullOrEmpty()) {
-                return GroupConverter.groupToGroupVo(group)
-            }
-
-            if (rRoleGroupService.saveBatch(group.roles!!.map {
-                    RRoleGroup().apply {
-                        groupId = group.id
-                        roleId = it.id
-                    }
-                })) {
-                return GroupConverter.groupToGroupVo(group)
-            }
+        if (baseMapper.insert(group) != 1) {
+            throw DatabaseInsertException()
         }
 
-        return null
+        if (group.roles.isNullOrEmpty()) {
+            return GroupConverter.groupToGroupVo(group)
+        }
+
+        rRoleGroupService.saveBatch(group.roles!!.map {
+            RRoleGroup().apply {
+                groupId = group.id
+                roleId = it.id
+            }
+        })
+
+        return GroupConverter.groupToGroupVo(group)
     }
 
     @Transactional
-    override fun update(groupUpdateParam: GroupUpdateParam): GroupVo? {
+    override fun update(groupUpdateParam: GroupUpdateParam): GroupVo {
         val group = GroupConverter.groupUpdateParamToGroup(groupUpdateParam)
+
+        if (baseMapper.updateById(group) != 1) {
+            throw DatabaseUpdateException()
+        }
+
         val oldRoleList = rRoleGroupService.list(
             KtQueryWrapper(RRoleGroup()).select(RRoleGroup::roleId).eq(RRoleGroup::groupId, groupUpdateParam.id)
         ).map { it.roleId }
         val addRoleIds = HashSet<Long>()
         val removeRoleIds = HashSet<Long>()
-        groupUpdateParam.roleIds?.forEach { addRoleIds.add(it) }
+        groupUpdateParam.roleIds?.forEach(addRoleIds::add)
         oldRoleList.forEach {
-            if (it != null) {
-                removeRoleIds.add(it)
-            }
+            it?.let(removeRoleIds::add)
         }
         removeRoleIds.removeAll(addRoleIds)
-        oldRoleList.toSet().let { addRoleIds.removeAll(it) }
-
-        baseMapper.updateById(group)
+        oldRoleList.toSet().let(addRoleIds::removeAll)
 
         removeRoleIds.forEach {
             rRoleGroupService.remove(
@@ -124,13 +123,15 @@ class GroupServiceImpl(
         return GroupConverter.groupToGroupVo(group)
     }
 
-    override fun status(groupUpdateStatusParam: GroupUpdateStatusParam): Boolean {
+    override fun status(groupUpdateStatusParam: GroupUpdateStatusParam) {
         updateById(GroupConverter.groupUpdateStatusParamToGroup(groupUpdateStatusParam)).let {
-            if (it && !groupUpdateStatusParam.enable) {
-                groupUpdateStatusParam.id?.let { id -> offlineUser(id) }
+            if (!it) {
+                throw DatabaseUpdateException()
             }
 
-            return it
+            if (!groupUpdateStatusParam.enable) {
+                groupUpdateStatusParam.id?.let { id -> offlineUser(id) }
+            }
         }
     }
 
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/RoleServiceImpl.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/RoleServiceImpl.kt
index fdb70e6..8ea381c 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/RoleServiceImpl.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/RoleServiceImpl.kt
@@ -8,6 +8,9 @@ import org.springframework.transaction.annotation.Transactional
 import top.fatweb.oxygen.api.converter.permission.RoleConverter
 import top.fatweb.oxygen.api.entity.permission.RPowerRole
 import top.fatweb.oxygen.api.entity.permission.Role
+import top.fatweb.oxygen.api.exception.DatabaseInsertException
+import top.fatweb.oxygen.api.exception.DatabaseUpdateException
+import top.fatweb.oxygen.api.exception.NoRecordFoundException
 import top.fatweb.oxygen.api.mapper.permission.RoleMapper
 import top.fatweb.oxygen.api.param.permission.role.*
 import top.fatweb.oxygen.api.service.permission.*
@@ -58,60 +61,54 @@ class RoleServiceImpl(
         return RoleConverter.rolePageToRoleWithPowerPageVo(rolePage)
     }
 
-    override fun getOne(id: Long): RoleWithPowerVo? {
-        return baseMapper.selectOneById(id)?.let { RoleConverter.roleToRoleWithPowerVo(it) } ?: let { null }
-    }
-
-    override fun listAll(): List<RoleVo> {
-        val roles = this.list()
-
-        return roles.map { RoleConverter.roleToRoleVo(it) }
-    }
+    override fun getOne(id: Long): RoleWithPowerVo =
+        baseMapper.selectOneById(id)?.let(RoleConverter::roleToRoleWithPowerVo) ?: throw NoRecordFoundException()
 
+    override fun getList(): List<RoleVo> = this.list().map(RoleConverter::roleToRoleVo)
 
     @Transactional
-    override fun add(roleAddParam: RoleAddParam): RoleVo? {
-        val fullPowerIds = roleAddParam.powerIds?.let { getFullPowerIds(it) }
+    override fun add(roleAddParam: RoleAddParam): RoleVo {
+        val fullPowerIds = roleAddParam.powerIds?.let(this::getFullPowerIds)
 
         val role = RoleConverter.roleAddParamToRole(roleAddParam)
-        if (baseMapper.insert(role) == 1) {
-            if (fullPowerIds.isNullOrEmpty()) {
-                return RoleConverter.roleToRoleVo(role)
-            }
-
-            if (rPowerRoleService.saveBatch(fullPowerIds.map {
-                    RPowerRole().apply {
-                        roleId = role.id
-                        powerId = it
-                    }
-                })) {
-                return RoleConverter.roleToRoleVo(role)
-            }
+        if (baseMapper.insert(role) != 1) {
+            throw DatabaseInsertException()
         }
 
-        return null
+        if (fullPowerIds.isNullOrEmpty()) {
+            return RoleConverter.roleToRoleVo(role)
+        }
+
+        rPowerRoleService.saveBatch(fullPowerIds.map {
+            RPowerRole().apply {
+                roleId = role.id
+                powerId = it
+            }
+        })
+        return RoleConverter.roleToRoleVo(role)
     }
 
     @Transactional
-    override fun update(roleUpdateParam: RoleUpdateParam): RoleVo? {
-        val fullPowerIds = roleUpdateParam.powerIds?.let { getFullPowerIds(it) }
+    override fun update(roleUpdateParam: RoleUpdateParam): RoleVo {
+        val fullPowerIds = roleUpdateParam.powerIds?.let(this::getFullPowerIds)
 
         val role = RoleConverter.roleUpdateParamToRole(roleUpdateParam)
+
+        if (baseMapper.updateById(role) != 1) {
+            throw DatabaseUpdateException()
+        }
+
         val oldPowerList = rPowerRoleService.list(
             KtQueryWrapper(RPowerRole()).select(RPowerRole::powerId).eq(RPowerRole::roleId, roleUpdateParam.id)
         ).map { it.powerId }
         val addPowerIds = HashSet<Long>()
         val removePowerIds = HashSet<Long>()
-        fullPowerIds?.forEach { addPowerIds.add(it) }
+        fullPowerIds?.forEach(addPowerIds::add)
         oldPowerList.forEach {
-            if (it != null) {
-                removePowerIds.add(it)
-            }
+            it?.let(removePowerIds::add)
         }
         removePowerIds.removeAll(addPowerIds)
-        oldPowerList.toSet().let { addPowerIds.removeAll(it) }
-
-        baseMapper.updateById(role)
+        oldPowerList.toSet().let(addPowerIds::removeAll)
 
         removePowerIds.forEach {
             rPowerRoleService.remove(
@@ -133,13 +130,15 @@ class RoleServiceImpl(
         return RoleConverter.roleToRoleVo(role)
     }
 
-    override fun status(roleUpdateStatusParam: RoleUpdateStatusParam): Boolean {
+    override fun status(roleUpdateStatusParam: RoleUpdateStatusParam) {
         updateById(RoleConverter.roleUpdateStatusParamToRole(roleUpdateStatusParam)).let {
-            if (it && !roleUpdateStatusParam.enable) {
-                roleUpdateStatusParam.id?.let { id -> offlineUser(id) }
+            if (!it) {
+                throw DatabaseUpdateException()
             }
 
-            return it
+            if (!roleUpdateStatusParam.enable) {
+                roleUpdateStatusParam.id?.let { id -> offlineUser(id) }
+            }
         }
     }
 
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/UserServiceImpl.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/UserServiceImpl.kt
index 1758246..b698886 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/UserServiceImpl.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/permission/impl/UserServiceImpl.kt
@@ -11,11 +11,14 @@ import org.springframework.security.crypto.password.PasswordEncoder
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 import top.fatweb.oxygen.api.converter.permission.UserConverter
-import top.fatweb.oxygen.api.entity.permission.User
 import top.fatweb.oxygen.api.entity.permission.RUserGroup
-import top.fatweb.oxygen.api.entity.permission.UserInfo
 import top.fatweb.oxygen.api.entity.permission.RUserRole
+import top.fatweb.oxygen.api.entity.permission.User
+import top.fatweb.oxygen.api.entity.permission.UserInfo
+import top.fatweb.oxygen.api.exception.DatabaseInsertException
+import top.fatweb.oxygen.api.exception.DatabaseUpdateException
 import top.fatweb.oxygen.api.exception.NoRecordFoundException
+import top.fatweb.oxygen.api.exception.UserNotFoundException
 import top.fatweb.oxygen.api.mapper.permission.UserMapper
 import top.fatweb.oxygen.api.param.permission.user.*
 import top.fatweb.oxygen.api.service.permission.*
@@ -25,6 +28,7 @@ import top.fatweb.oxygen.api.util.StrUtil
 import top.fatweb.oxygen.api.util.WebUtil
 import top.fatweb.oxygen.api.vo.PageVo
 import top.fatweb.oxygen.api.vo.permission.UserWithPasswordRoleInfoVo
+import top.fatweb.oxygen.api.vo.permission.UserWithPowerInfoVo
 import top.fatweb.oxygen.api.vo.permission.UserWithRoleInfoVo
 import java.time.LocalDateTime
 import java.time.ZoneOffset
@@ -76,8 +80,13 @@ class UserServiceImpl(
         return user
     }
 
-    override fun getInfo() = WebUtil.getLoginUsername()
-        ?.let { username -> getUserWithPowerByAccount(username)?.let { UserConverter.userToUserWithPowerInfoVo(it) } }
+    override fun getInfo(): UserWithPowerInfoVo =
+        WebUtil.getLoginUsername()?.let(this::getUserWithPowerByAccount)?.let(UserConverter::userToUserWithPowerInfoVo)
+            ?: throw UserNotFoundException()
+
+    override fun getOne(id: Long): UserWithRoleInfoVo =
+        baseMapper.selectOneWithRoleInfoById(id)?.let(UserConverter::userToUserWithRoleInfoVo)
+            ?: throw UserNotFoundException()
 
     override fun getPage(userGetParam: UserGetParam?): PageVo<UserWithRoleInfoVo> {
         val userIdsPage = Page<Long>(userGetParam?.currentPage ?: 1, userGetParam?.pageSize ?: 20)
@@ -99,13 +108,10 @@ class UserServiceImpl(
         return UserConverter.userPageToUserWithRoleInfoPageVo(userPage)
     }
 
-    override fun getOne(id: Long) =
-        baseMapper.selectOneWithRoleInfoById(id)?.let { UserConverter.userToUserWithRoleInfoVo(it) }
-
-    override fun listAll() = baseMapper.selectListWithInfo().map { UserConverter.userToUserWithInfoVo(it) }
+    override fun getList() = baseMapper.selectListWithInfo().map(UserConverter::userToUserWithInfoVo)
 
     @Transactional
-    override fun add(userAddParam: UserAddParam): UserWithPasswordRoleInfoVo? {
+    override fun add(userAddParam: UserAddParam): UserWithPasswordRoleInfoVo {
         val rawPassword =
             if (userAddParam.password.isNullOrBlank()) StrUtil.getRandomPassword(10) else userAddParam.password
         val user = UserConverter.userAddParamToUser(userAddParam)
@@ -117,37 +123,38 @@ class UserServiceImpl(
             }-${UUID.randomUUID()}-${UUID.randomUUID()}-${UUID.randomUUID()}"
         }
 
-        if (this.save(user)) {
-            user.userInfo?.let { userInfoService.save(it.apply { userId = user.id }) }
-
-            if (!user.roles.isNullOrEmpty()) {
-                rUserRoleService.saveBatch(user.roles!!.map {
-                    RUserRole().apply {
-                        userId = user.id
-                        roleId = it.id
-                    }
-                })
-            }
-
-            if (!user.groups.isNullOrEmpty()) {
-                rUserGroupService.saveBatch(user.groups!!.map {
-                    RUserGroup().apply {
-                        userId = user.id
-                        groupId = it.id
-                    }
-                })
-            }
-
-            user.password = rawPassword
-
-            return UserConverter.userToUserWithPasswordRoleInfoVo(user)
+        if (!this.save(user)) {
+            throw DatabaseInsertException()
         }
 
-        return null
+
+        user.userInfo?.apply { userId = user.id }?.let(userInfoService::save)
+
+        if (!user.roles.isNullOrEmpty()) {
+            rUserRoleService.saveBatch(user.roles!!.map {
+                RUserRole().apply {
+                    userId = user.id
+                    roleId = it.id
+                }
+            })
+        }
+
+        if (!user.groups.isNullOrEmpty()) {
+            rUserGroupService.saveBatch(user.groups!!.map {
+                RUserGroup().apply {
+                    userId = user.id
+                    groupId = it.id
+                }
+            })
+        }
+
+        user.password = rawPassword
+
+        return UserConverter.userToUserWithPasswordRoleInfoVo(user)
     }
 
     @Transactional
-    override fun update(userUpdateParam: UserUpdateParam): UserWithRoleInfoVo? {
+    override fun update(userUpdateParam: UserUpdateParam): UserWithRoleInfoVo {
         val user = UserConverter.userUpdateParamToUser(userUpdateParam)
         user.updateTime = LocalDateTime.now(ZoneOffset.UTC)
 
@@ -156,28 +163,24 @@ class UserServiceImpl(
         ).map { it.roleId }
         val addRoleIds = HashSet<Long>()
         val removeRoleIds = HashSet<Long>()
-        userUpdateParam.roleIds?.forEach { addRoleIds.add(it) }
+        userUpdateParam.roleIds?.forEach(addRoleIds::add)
         oldRoleList.forEach {
-            if (it != null) {
-                removeRoleIds.add(it)
-            }
+            it?.let(removeRoleIds::add)
         }
         removeRoleIds.removeAll(addRoleIds)
-        oldRoleList.toSet().let { addRoleIds.removeAll(it) }
+        oldRoleList.toSet().let(addRoleIds::removeAll)
 
         val oldGroupList = rUserGroupService.list(
             KtQueryWrapper(RUserGroup()).select(RUserGroup::groupId).eq(RUserGroup::userId, userUpdateParam.id)
         ).map { it.groupId }
         val addGroupIds = HashSet<Long>()
         val removeGroupIds = HashSet<Long>()
-        userUpdateParam.groupIds?.forEach { addGroupIds.add(it) }
+        userUpdateParam.groupIds?.forEach(addGroupIds::add)
         oldGroupList.forEach {
-            if (it != null) {
-                removeGroupIds.add(it)
-            }
+            it?.let(removeGroupIds::add)
         }
         removeGroupIds.removeAll(addGroupIds)
-        oldGroupList.toSet().let { addGroupIds.removeAll(it) }
+        oldGroupList.toSet().let(addGroupIds::removeAll)
 
         this.updateById(user)
         this.update(
@@ -252,7 +255,9 @@ class UserServiceImpl(
                 )
                 .set(User::updateTime, LocalDateTime.now(ZoneOffset.UTC))
 
-            this.update(wrapper)
+            if (!this.update(wrapper)) {
+                throw DatabaseUpdateException()
+            }
 
             userUpdatePasswordParam.id?.let { WebUtil.offlineUser(redisUtil, it) }
         } ?: let {
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/system/impl/SettingsServiceImpl.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/system/impl/SettingsServiceImpl.kt
index c107aa4..aa3a7e5 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/system/impl/SettingsServiceImpl.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/system/impl/SettingsServiceImpl.kt
@@ -50,7 +50,7 @@ class SettingsServiceImpl : ISettingsService {
         port = SettingsOperator.getMailValue(MailSettings::port),
         securityType = SettingsOperator.getMailValue(MailSettings::securityType),
         username = SettingsOperator.getMailValue(MailSettings::username),
-        password = SettingsOperator.getMailValue(MailSettings::password)?.let { StrUtil.md5(it) },
+        password = SettingsOperator.getMailValue(MailSettings::password)?.let(StrUtil::md5),
         from = SettingsOperator.getMailValue(MailSettings::from),
         fromName = SettingsOperator.getMailValue(MailSettings::fromName)
     )
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolBaseService.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolBaseService.kt
index 0ccfff9..f4e9fbb 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolBaseService.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolBaseService.kt
@@ -2,11 +2,9 @@ package top.fatweb.oxygen.api.service.tool
 
 import com.baomidou.mybatisplus.extension.service.IService
 import top.fatweb.oxygen.api.entity.tool.ToolBase
-import top.fatweb.oxygen.api.entity.tool.ToolCategory
 import top.fatweb.oxygen.api.param.tool.ToolBaseAddParam
 import top.fatweb.oxygen.api.param.tool.ToolBaseUpdateParam
 import top.fatweb.oxygen.api.vo.tool.ToolBaseVo
-import top.fatweb.oxygen.api.vo.tool.ToolCategoryVo
 
 /**
  * Tool base service interface
@@ -17,7 +15,7 @@ import top.fatweb.oxygen.api.vo.tool.ToolCategoryVo
  * @see ToolBase
  */
 interface IToolBaseService : IService<ToolBase> {
-    fun getOne(id: Long): ToolBaseVo?
+    fun getOne(id: Long): ToolBaseVo
 
     fun get(): List<ToolBaseVo>
 
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolCategoryService.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolCategoryService.kt
index c661773..4f70553 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolCategoryService.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolCategoryService.kt
@@ -15,7 +15,7 @@ import top.fatweb.oxygen.api.vo.tool.ToolCategoryVo
  * @see ToolCategory
  */
 interface IToolCategoryService : IService<ToolCategory> {
-    fun getOne(id: Long): ToolCategoryVo?
+    fun getOne(id: Long): ToolCategoryVo
 
     fun get(): List<ToolCategoryVo>
 
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolService.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolService.kt
index d32a1a5..69ef68c 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolService.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolService.kt
@@ -15,7 +15,7 @@ import top.fatweb.oxygen.api.vo.tool.ToolVo
  * @see Tool
  */
 interface IToolService : IService<Tool> {
-    fun getOne(id: Long): ToolVo?
+    fun getOne(id: Long): ToolVo
 
     fun get(): List<ToolVo>
 
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolTemplateService.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolTemplateService.kt
index 3fcdf81..7d29168 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolTemplateService.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/IToolTemplateService.kt
@@ -15,7 +15,7 @@ import top.fatweb.oxygen.api.vo.tool.ToolTemplateVo
  * @see ToolTemplate
  */
 interface IToolTemplateService : IService<ToolTemplate> {
-    fun getOne(id: Long): ToolTemplateVo?
+    fun getOne(id: Long): ToolTemplateVo
 
     fun get(): List<ToolTemplateVo>
 
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolBaseServiceImpl.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolBaseServiceImpl.kt
index 4b338da..445c830 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolBaseServiceImpl.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolBaseServiceImpl.kt
@@ -28,7 +28,8 @@ import top.fatweb.oxygen.api.vo.tool.ToolBaseVo
 class ToolBaseServiceImpl(
     private val toolDataService: IToolDataService
 ) : ServiceImpl<ToolBaseMapper, ToolBase>(), IToolBaseService {
-    override fun getOne(id: Long): ToolBaseVo? = baseMapper.selectOne(id)?.let(ToolBaseConverter::toolBaseToToolBaseVo)
+    override fun getOne(id: Long): ToolBaseVo =
+        baseMapper.selectOne(id)?.let(ToolBaseConverter::toolBaseToToolBaseVo) ?: throw NoRecordFoundException()
 
     override fun get(): List<ToolBaseVo> = baseMapper.selectList().map(ToolBaseConverter::toolBaseToToolBaseVo)
 
@@ -72,7 +73,7 @@ class ToolBaseServiceImpl(
             name = toolBaseUpdateParam.name
         })
 
-        return this.getOne(toolBase.id!!)!!
+        return this.getOne(toolBase.id!!)
     }
 
     @Transactional
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolCategoryServiceImpl.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolCategoryServiceImpl.kt
index a9c408b..d200bb4 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolCategoryServiceImpl.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolCategoryServiceImpl.kt
@@ -2,9 +2,11 @@ package top.fatweb.oxygen.api.service.tool.impl
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl
 import org.springframework.stereotype.Service
-import org.springframework.transaction.annotation.Transactional
 import top.fatweb.oxygen.api.converter.tool.ToolCategoryConverter
 import top.fatweb.oxygen.api.entity.tool.ToolCategory
+import top.fatweb.oxygen.api.exception.DatabaseInsertException
+import top.fatweb.oxygen.api.exception.DatabaseUpdateException
+import top.fatweb.oxygen.api.exception.NoRecordFoundException
 import top.fatweb.oxygen.api.mapper.tool.ToolCategoryMapper
 import top.fatweb.oxygen.api.param.tool.ToolCategoryAddParam
 import top.fatweb.oxygen.api.param.tool.ToolCategoryUpdateParam
@@ -23,8 +25,8 @@ import top.fatweb.oxygen.api.vo.tool.ToolCategoryVo
  */
 @Service
 class ToolCategoryServiceImpl : ServiceImpl<ToolCategoryMapper, ToolCategory>(), IToolCategoryService {
-    override fun getOne(id: Long): ToolCategoryVo? =
-        this.getById(id)?.let(ToolCategoryConverter::toolCategoryToToolCategoryVo)
+    override fun getOne(id: Long): ToolCategoryVo =
+        this.getById(id)?.let(ToolCategoryConverter::toolCategoryToToolCategoryVo) ?: throw NoRecordFoundException()
 
     override fun get(): List<ToolCategoryVo> =
         this.list().map(ToolCategoryConverter::toolCategoryToToolCategoryVo)
@@ -32,7 +34,9 @@ class ToolCategoryServiceImpl : ServiceImpl<ToolCategoryMapper, ToolCategory>(),
     override fun add(toolCategoryAddParam: ToolCategoryAddParam): ToolCategoryVo {
         val toolCategory = ToolCategoryConverter.toolCategoryAddParamToToolCategory(toolCategoryAddParam)
 
-        this.save(toolCategory)
+        if (!this.save(toolCategory)) {
+            throw DatabaseInsertException()
+        }
 
         return ToolCategoryConverter.toolCategoryToToolCategoryVo(toolCategory)
     }
@@ -40,7 +44,9 @@ class ToolCategoryServiceImpl : ServiceImpl<ToolCategoryMapper, ToolCategory>(),
     override fun update(toolCategoryUpdateParam: ToolCategoryUpdateParam): ToolCategoryVo {
         val toolCategory = ToolCategoryConverter.toolCategoryUpdateParamToToolCategory(toolCategoryUpdateParam)
 
-        this.updateById(toolCategory)
+        if (this.updateById(toolCategory)) {
+            throw DatabaseUpdateException()
+        }
 
         return ToolCategoryConverter.toolCategoryToToolCategoryVo(toolCategory)
     }
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolServiceImpl.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolServiceImpl.kt
index f48ca96..ca982af 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolServiceImpl.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolServiceImpl.kt
@@ -10,7 +10,6 @@ import top.fatweb.oxygen.api.entity.tool.Tool
 import top.fatweb.oxygen.api.entity.tool.ToolData
 import top.fatweb.oxygen.api.exception.NoRecordFoundException
 import top.fatweb.oxygen.api.exception.ToolHasPublish
-import top.fatweb.oxygen.api.exception.UserNotFoundException
 import top.fatweb.oxygen.api.mapper.tool.ToolMapper
 import top.fatweb.oxygen.api.param.tool.ToolAddParam
 import top.fatweb.oxygen.api.param.tool.ToolUpdateParam
@@ -36,14 +35,15 @@ class ToolServiceImpl(
     private val rToolCategoryService: IRToolCategoryService,
     private val userService: IUserService
 ) : ServiceImpl<ToolMapper, Tool>(), IToolService {
-    override fun getOne(id: Long): ToolVo? = baseMapper.selectOne(id)?.let(ToolConverter::toolToToolVo)
+    override fun getOne(id: Long): ToolVo =
+        baseMapper.selectOne(id)?.let(ToolConverter::toolToToolVo) ?: throw NoRecordFoundException()
 
     override fun get(): List<ToolVo> = baseMapper.selectList().map(ToolConverter::toolToToolVo)
 
     @Transactional
     override fun add(toolAddParam: ToolAddParam): ToolVo {
-        toolBaseService.getOne(toolAddParam.baseId!!) ?: throw NoRecordFoundException()
-        userService.getOne(toolAddParam.authorId!!) ?: throw UserNotFoundException()
+        toolBaseService.getOne(toolAddParam.baseId!!)
+        userService.getOne(toolAddParam.authorId!!)
 
         val newSource = ToolData().apply { data = toolAddParam.source }
         val newDist = ToolData().apply { data = toolAddParam.dist }
@@ -74,7 +74,7 @@ class ToolServiceImpl(
             })
         }
 
-        return this.getOne(tool.id!!)!!
+        return this.getOne(tool.id!!)
     }
 
     @Transactional
@@ -83,7 +83,7 @@ class ToolServiceImpl(
         if (tool.publish == 1) {
             throw ToolHasPublish()
         }
-        userService.getOne(toolUpdateParam.authorId!!) ?: throw UserNotFoundException()
+        userService.getOne(toolUpdateParam.authorId!!)
 
         toolDataService.updateById(ToolData().apply {
             id = tool.sourceId
@@ -106,9 +106,9 @@ class ToolServiceImpl(
             keywords = toolUpdateParam.keywords
         })
 
-        // TODO
+        // TODO Category process
 
-        return this.getOne(tool.id!!)!!
+        return this.getOne(tool.id!!)
     }
 
     @Transactional
diff --git a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolTemplateServiceImpl.kt b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolTemplateServiceImpl.kt
index f78b226..872b24a 100644
--- a/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolTemplateServiceImpl.kt
+++ b/src/main/kotlin/top/fatweb/oxygen/api/service/tool/impl/ToolTemplateServiceImpl.kt
@@ -30,15 +30,16 @@ class ToolTemplateServiceImpl(
     private val toolDataService: IToolDataService,
     private val toolBaseService: IToolBaseService
 ) : ServiceImpl<ToolTemplateMapper, ToolTemplate>(), IToolTemplateService {
-    override fun getOne(id: Long): ToolTemplateVo? =
+    override fun getOne(id: Long): ToolTemplateVo =
         baseMapper.selectOne(id)?.let(ToolTemplateConverter::toolTemplateToToolTemplateVo)
+            ?: throw NoRecordFoundException()
 
     override fun get(): List<ToolTemplateVo> =
         baseMapper.selectList().map(ToolTemplateConverter::toolTemplateToToolTemplateVo)
 
     @Transactional
     override fun add(toolTemplateAddParam: ToolTemplateAddParam): ToolTemplateVo {
-        toolBaseService.getOne(toolTemplateAddParam.baseId!!) ?: throw NoRecordFoundException()
+        toolBaseService.getOne(toolTemplateAddParam.baseId!!)
 
         val newSource = ToolData().apply { data = toolTemplateAddParam.source }
         val newDist = ToolData().apply { data = toolTemplateAddParam.dist }
@@ -64,7 +65,7 @@ class ToolTemplateServiceImpl(
     @Transactional
     override fun update(toolTemplateUpdateParam: ToolTemplateUpdateParam): ToolTemplateVo {
         val toolTemplate = baseMapper.selectOne(toolTemplateUpdateParam.id!!) ?: throw NoRecordFoundException()
-        toolTemplateUpdateParam.baseId?.let { toolBaseService.getOne(it) ?: throw NoRecordFoundException() }
+        toolTemplateUpdateParam.baseId?.let(toolBaseService::getOne)
 
         toolDataService.updateById(ToolData().apply {
             id = toolTemplate.sourceId
@@ -83,7 +84,7 @@ class ToolTemplateServiceImpl(
             baseId = toolTemplateUpdateParam.baseId
         })
 
-        return this.getOne(toolTemplate.id!!)!!
+        return this.getOne(toolTemplate.id!!)
     }
 
     @Transactional