diff --git a/miniprogram/app.json b/miniprogram/app.json
index bc2e39c..49011a8 100644
--- a/miniprogram/app.json
+++ b/miniprogram/app.json
@@ -12,7 +12,7 @@
     "backgroundTextStyle": "light",
     "navigationBarTextStyle": "black",
     "navigationBarBackgroundColor": "#ffffff",
-    "navigationBarTitleText": "宿小君",
+    "navigationBarTitleText": "二手交易商城",
     "backgroundColor": "#f7f7f7"
   },
   "tabBar": {
diff --git a/project.config.json b/project.config.json
index cdd7a52..a03d131 100644
--- a/project.config.json
+++ b/project.config.json
@@ -47,7 +47,7 @@
     "ignore": [],
     "include": []
   },
-  "appid": "wxd7d00921edfeb9df",
+  "appid": "wx6fb98f37027a7f79",
   "cloudfunctionTemplateRoot": "cloudfunctionTemplate/",
   "cloudfunctionRoot": "cloudfunctions/"
 }
\ No newline at end of file
diff --git a/project.private.config.json b/project.private.config.json
index a8c48bb..d5ac05c 100644
--- a/project.private.config.json
+++ b/project.private.config.json
@@ -19,5 +19,6 @@
     "checkInvalidKey": true,
     "ignoreDevUnusedFiles": true
   },
-  "condition": {}
+  "condition": {},
+  "description": "项目私有配置文件。此文件中的内容将覆盖 project.config.json 中的相同字段。项目的改动优先同步到此文件中。详见文档：https://developers.weixin.qq.com/miniprogram/dev/devtools/projectconfig.html"
 }
\ No newline at end of file