优化

app/src/main/assets/defaultData/themeConfig.json

@@ -1,4 +1,12 @@
 [
+  {
+    "themeName": "默认",
+    "isNightTheme": false,
+    "primaryColor": "#795548",
+    "accentColor": "#E53935",
+    "backgroundColor": "#F5F5F5",
+    "bottomBackground": "#EEEEEE"
+  },
   {
     "themeName": "典雅蓝",
     "isNightTheme": false,