diff --git a/.fvmrc b/.fvmrc
new file mode 100644
index 0000000..2bb4682
--- /dev/null
+++ b/.fvmrc
@@ -0,0 +1,3 @@
+{
+  "flutter": "3.35.2"
+}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 2ea8576..e87fe79 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,5 @@ doc/api/
 /android/app/profile
 /android/app/release
 
+# FVM Version Cache
+.fvm/
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..97f1308
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "dart.flutterSdkPath": ".fvm/versions/3.35.2"
+}
\ No newline at end of file
diff --git a/lib/network/network_config.dart b/lib/network/network_config.dart
index 079b1a7..9cc2447 100644
--- a/lib/network/network_config.dart
+++ b/lib/network/network_config.dart
@@ -145,6 +145,9 @@ class ResponseInterceptor extends Interceptor {
       case DioExceptionType.cancel:
         errorMessage = '请求已取消';
         break;
+      case DioExceptionType.connectionError:
+        errorMessage = '网络连接失败';
+        break;
       default:
         errorMessage = err.message ?? '未知错误';
     }