diff --git a/public/favicon.ico b/public/favicon.ico
deleted file mode 100644
index 4747567..0000000
Binary files a/public/favicon.ico and /dev/null differ
diff --git a/public/icon.png b/public/icon.png
new file mode 100644
index 0000000..852eef0
Binary files /dev/null and b/public/icon.png differ
diff --git a/public/manifest.extension.json b/public/manifest.extension.json
index 0450a8e..5258d19 100644
--- a/public/manifest.extension.json
+++ b/public/manifest.extension.json
@@ -8,8 +8,8 @@
   },
   "permissions": ["storage"],
   "icons": {
-    "16": "favicon.ico",
-    "48": "favicon.ico",
-    "128": "favicon.ico"
+    "16": "icon.png",
+    "48": "icon.png",
+    "128": "icon.png"
   }
 }
\ No newline at end of file
diff --git a/src/App.tsx b/src/App.tsx
index 727ec23..f215f42 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -19,7 +19,7 @@ const DEFAULT_SETTINGS: UserSettings = {
   backgroundBlur: 8,
   searchEngines: [...SEARCH_ENGINES],
   selectedEngine: SEARCH_ENGINES[0].name,
-  themeColor: THEMES[0].hex,
+  themeColor: '#f97316',
   searchOpacity: 0.8,
   enableMaskBlur: false,
   maskOpacity: 0.2,
@@ -31,7 +31,7 @@ const DEFAULT_SETTINGS: UserSettings = {
   searchHistory: [],
   language: 'zh',
   motto: '同是天涯沦落人，相逢何必曾相识',
-  searchGlow: 0.35
+  searchGlow: 0.5
 };
 
 type ViewMode = 'search' | 'dashboard';