diff --git a/app/src/main/assets/template/tool-view.html b/app/src/main/assets/template/tool-view.html
index d685e93..65f4856 100644
--- a/app/src/main/assets/template/tool-view.html
+++ b/app/src/main/assets/template/tool-view.html
@@ -15,7 +15,7 @@
 <script type="module" id="appDictSrc">{{replace_dict_code}}</script>
 <script type="module" id="appBaseSrc">{{replace_base_code}}</script>
 <div id="root">
-    <div style="position:absolute;top: 0;left:0;width:100%;height:100%;display: flex;justify-content: center;align-items: center;">
+    <div style="position:absolute;top: 0;left:0;width:100%;height:100%;display: flex;justify-content: center;align-items: center;color: #777;">
         Loading...
     </div>
 </div>
diff --git a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/view/ToolViewScreen.kt b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/view/ToolViewScreen.kt
index 291496d..2436ec2 100644
--- a/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/view/ToolViewScreen.kt
+++ b/app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/view/ToolViewScreen.kt
@@ -45,6 +45,7 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.toArgb
 import androidx.compose.ui.platform.LocalConfiguration
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
@@ -308,6 +309,7 @@ private fun initWebView(
     context: Context,
     permissionLauncher: ManagedActivityResultLauncher<String, Boolean>
 ) = { webview: WebView ->
+    webview.setBackgroundColor(Color.Transparent.toArgb())
     webview.settings.javaScriptEnabled = true
     webview.settings.domStorageEnabled = true
     webview.addJavascriptInterface(