diff --git a/Pinnacle/src/main/java/com/cfive/pinnacle/controller/UserController.java b/Pinnacle/src/main/java/com/cfive/pinnacle/controller/UserController.java
index c11ad34..4ec1da3 100644
--- a/Pinnacle/src/main/java/com/cfive/pinnacle/controller/UserController.java
+++ b/Pinnacle/src/main/java/com/cfive/pinnacle/controller/UserController.java
@@ -57,7 +57,10 @@ public class UserController {
     }
 
     @DeleteMapping("/{id}")
-    public ResponseResult deleteRole(@PathVariable Long id) {
+    public ResponseResult deleteUser(@PathVariable Long id) {
+        if (id == 1L) {
+            return ResponseResult.build(ResponseCode.DATABASE_DELETE_ERROR, "Unable to remove super admin", null);
+        }
         LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>();
         wrapper.eq(User::getId, id);
         if (userService.remove(wrapper)) {
@@ -68,7 +71,7 @@ public class UserController {
     }
 
     @PutMapping()
-    public ResponseResult modifyRole(@RequestBody User user) {
+    public ResponseResult modifyUser(@RequestBody User user) {
         if (!StringUtils.hasText(user.getUsername())) {
             return ResponseResult.build(ResponseCode.DATABASE_UPDATE_ERROR, "Username cannot be empty", null);
         }
diff --git a/Pinnacle/src/main/java/com/cfive/pinnacle/entity/Group.java b/Pinnacle/src/main/java/com/cfive/pinnacle/entity/Group.java
index f0df8a1..6dd3f2d 100644
--- a/Pinnacle/src/main/java/com/cfive/pinnacle/entity/Group.java
+++ b/Pinnacle/src/main/java/com/cfive/pinnacle/entity/Group.java
@@ -12,7 +12,9 @@ import java.util.List;
 
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 import lombok.experimental.Accessors;
 
 /**
@@ -24,6 +26,8 @@ import lombok.experimental.Accessors;
  * @since 2023-04-30
  */
 @Data
+@NoArgsConstructor
+@AllArgsConstructor
 @Accessors(chain = true)
 @TableName("t_group")
 public class Group implements Serializable {
@@ -51,4 +55,9 @@ public class Group implements Serializable {
 
     @TableField(exist = false)
     private List<Role> roles;
+
+    public Group(Long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
 }
diff --git a/Pinnacle/src/main/java/com/cfive/pinnacle/entity/Role.java b/Pinnacle/src/main/java/com/cfive/pinnacle/entity/Role.java
index 87288e6..2937246 100644
--- a/Pinnacle/src/main/java/com/cfive/pinnacle/entity/Role.java
+++ b/Pinnacle/src/main/java/com/cfive/pinnacle/entity/Role.java
@@ -16,7 +16,9 @@ import com.cfive.pinnacle.entity.permission.Operation;
 import com.cfive.pinnacle.entity.permission.Power;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 import lombok.experimental.Accessors;
 
 /**
@@ -28,6 +30,8 @@ import lombok.experimental.Accessors;
  * @since 2023-04-30
  */
 @Data
+@NoArgsConstructor
+@AllArgsConstructor
 @Accessors(chain = true)
 @TableName("t_role")
 public class Role implements Serializable {
@@ -64,4 +68,9 @@ public class Role implements Serializable {
     @TableField("version")
     @Version
     private Integer version;
+
+    public Role(Long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
 }
diff --git a/Pinnacle/src/main/java/com/cfive/pinnacle/service/impl/UserServiceImpl.java b/Pinnacle/src/main/java/com/cfive/pinnacle/service/impl/UserServiceImpl.java
index 9490ab0..309a54d 100644
--- a/Pinnacle/src/main/java/com/cfive/pinnacle/service/impl/UserServiceImpl.java
+++ b/Pinnacle/src/main/java/com/cfive/pinnacle/service/impl/UserServiceImpl.java
@@ -2,9 +2,7 @@ package com.cfive.pinnacle.service.impl;
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.cfive.pinnacle.entity.*;
-import com.cfive.pinnacle.mapper.UserGroupMapper;
-import com.cfive.pinnacle.mapper.UserMapper;
-import com.cfive.pinnacle.mapper.UserRoleMapper;
+import com.cfive.pinnacle.mapper.*;
 import com.cfive.pinnacle.service.IUserService;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -53,12 +51,24 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IU
 
     @Override
     public List<User> getAllUser() {
-        return userMapper.getAll();
+        List<User> users = userMapper.getAll();
+        users.forEach(user -> {
+            if (user.getId() == 1L) {
+                user.setRoles(List.of(new Role(0L, "超级管理员")));
+                user.setGroups(List.of(new Group(0L, "超级管理员")));
+            }
+        });
+        return users;
     }
 
     @Override
     public User getUser(long id) {
-        return userMapper.getOneById(id);
+        User user = userMapper.getOneById(id);
+        if (user.getId() == 1L) {
+            user.setRoles(List.of(new Role(0L, "超级管理员")));
+            user.setGroups(List.of(new Group(0L, "超级管理员")));
+        }
+        return user;
     }
 
     @Override
@@ -96,6 +106,16 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IU
             String encryptedPassword = passwordEncoder.encode(user.getPasswd());
             user.setPasswd(encryptedPassword);
         }
+
+        // Protect administrator
+        if (user.getId() == 1L) {
+            user.setDepartmentId(null);
+            user.setEnable(1);
+            user.setDeleted(0L);
+            userMapper.updateById(user);
+            return true;
+        }
+
         userMapper.updateById(user);
         User originalUser = getUser(user.getId());
         HashSet<Long> newRoleIds = new HashSet<>();
diff --git a/ui/src/pages/power/UserManagement.vue b/ui/src/pages/power/UserManagement.vue
index e050bc2..defb37b 100644
--- a/ui/src/pages/power/UserManagement.vue
+++ b/ui/src/pages/power/UserManagement.vue
@@ -53,7 +53,12 @@
                     />
                 </el-form-item>
                 <el-form-item label="角色">
-                    <el-select v-model="userForm.selectedRoles" multiple style="width: 100%">
+                    <el-select
+                        :disabled="disableSelectRoles"
+                        v-model="userForm.selectedRoles"
+                        multiple
+                        style="width: 100%"
+                    >
                         <el-option
                             v-for="role in roles"
                             :key="role.id"
@@ -63,7 +68,12 @@
                     </el-select>
                 </el-form-item>
                 <el-form-item label="用户组">
-                    <el-select v-model="userForm.selectedGroups" multiple style="width: 100%">
+                    <el-select
+                        :disabled="disableSelectGroups"
+                        v-model="userForm.selectedGroups"
+                        multiple
+                        style="width: 100%"
+                    >
                         <el-option
                             v-for="group in groups"
                             :key="group.id"
@@ -132,7 +142,9 @@ export default {
                         message: '密码不能为空'
                     }
                 ]
-            }
+            },
+            disableSelectRoles: false,
+            disableSelectGroups: false
         }
     },
     methods: {
@@ -205,10 +217,18 @@ export default {
             this.userForm.selectedRoles = []
             this.userForm.selectedGroups = []
             for (const role of row.roles) {
-                this.userForm.selectedRoles.push(role.id)
+                if (role.id === '0') {
+                    this.userForm.selectedRoles.push(role.name)
+                } else {
+                    this.userForm.selectedRoles.push(role.id)
+                }
             }
             for (const group of row.groups) {
-                this.userForm.selectedGroups.push(group.id)
+                if (group.id === '0') {
+                    this.userForm.selectedGroups.push(group.name)
+                } else {
+                    this.userForm.selectedGroups.push(group.id)
+                }
             }
             this.isAddNew = false
             this.dialogVisible = true
@@ -237,6 +257,9 @@ export default {
         handleDialogOpen() {
             this.getRoles()
 
+            this.disableSelectRoles = false
+            this.disableSelectGroups = false
+
             if (this.isAddNew) {
                 this.userForm.inputUsername = ''
                 this.userForm.inputPassword = ''
@@ -245,6 +268,10 @@ export default {
                 this.dialogTitle = '添加用户'
             } else {
                 this.dialogTitle = '编辑用户'
+                if (this.editUserId === '1') {
+                    this.disableSelectRoles = true
+                    this.disableSelectGroups = true
+                }
             }
         },
         async handleSubmit() {
@@ -258,18 +285,21 @@ export default {
                         roles: [],
                         groups: []
                     }
-                    for (const roleId of this.userForm.selectedRoles) {
-                        const role = {
-                            id: roleId
+                    if (this.editUserId !== '1') {
+                        for (const roleId of this.userForm.selectedRoles) {
+                            const role = {
+                                id: roleId
+                            }
+                            userObject.roles.push(role)
                         }
-                        userObject.roles.push(role)
-                    }
-                    for (const groupId of this.userForm.selectedGroups) {
-                        const group = {
-                            id: groupId
+                        for (const groupId of this.userForm.selectedGroups) {
+                            const group = {
+                                id: groupId
+                            }
+                            userObject.groups.push(group)
                         }
-                        userObject.groups.push(group)
                     }
+
                     if (this.isAddNew) {
                         request.post('/user', userObject).then((res) => {
                             const response = res.data