diff --git a/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java b/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java
index 1100b57..ab6c168 100644
--- a/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java
+++ b/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java
@@ -5,6 +5,7 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.graphics.Bitmap;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
@@ -190,13 +191,20 @@ public class BuildingDashboardActivity extends FullscreenActivity {
         binding.webview.setInitialScale(100);
 
         binding.webview.setWebViewClient(new WebViewClient() {
+            private boolean hasError = false;
+
+            @Override
+            public void onPageStarted(WebView view, String url, Bitmap favicon) {
+                hasError = false;
+            }
+
             @Override
             public void onReceivedError(WebView view, WebResourceRequest request,
                                         WebResourceError error) {
                 super.onReceivedError(view, request, error);
 
-                // 只处理主页面的错误，不处理资源文件错误
-                if (request.getUrl().toString().equals(mainUrl)) {
+                if (request.isForMainFrame()) {
+                    hasError = true;
                     handleLoadError();
                 }
             }
@@ -205,9 +213,8 @@ public class BuildingDashboardActivity extends FullscreenActivity {
             public void onReceivedHttpError(WebView view, WebResourceRequest request,
                                             WebResourceResponse errorResponse) {
                 super.onReceivedHttpError(view, request, errorResponse);
-
-                // 处理HTTP错误（如404, 500等）
-                if (request.getUrl().toString().equals(mainUrl)) {
+                if (request.isForMainFrame() && errorResponse.getStatusCode() >= 400) {
+                    hasError = true;
                     handleLoadError();
                 }
             }
@@ -215,15 +222,12 @@ public class BuildingDashboardActivity extends FullscreenActivity {
             @Override
             public void onPageFinished(WebView view, String url) {
                 super.onPageFinished(view, url);
-
-                // 页面加载成功，重置重试计数
-                if (url.equals(mainUrl)) {
+                if (!hasError) {
                     retryCount = 0;
-                    Log.d("WebView", "页面加载成功: " + url);
+                    Log.d("WebView", "加载OK");
                 }
             }
         });
-
     }
 
     private void initConfigLoader() {