diff --git a/app/src/main/java/com/pxkj/jwzs/FirstActivity.java b/app/src/main/java/com/pxkj/jwzs/FirstActivity.java
index e1b41e2..3eadfac 100644
--- a/app/src/main/java/com/pxkj/jwzs/FirstActivity.java
+++ b/app/src/main/java/com/pxkj/jwzs/FirstActivity.java
@@ -207,9 +207,7 @@ public class FirstActivity extends BaseActivity {
 
     private boolean isDownloadUrl(String url) {
         if (TextUtils.isEmpty(url)) return false;
-
-        return  true;
-
+        return true;
 //        return url.endsWith(".pdf")
 //                || url.endsWith(".doc")
 //                || url.endsWith(".docx")
@@ -263,6 +261,15 @@ public class FirstActivity extends BaseActivity {
             // 保持空实现
         }
 
+        // 新增：供前端H5调用下载
+        @JavascriptInterface
+        public void downloadFile(String url) {
+            FirstActivity activity = activityRef.get();
+            if (activity != null && !TextUtils.isEmpty(url)) {
+                activity.runOnUiThread(() -> activity.downloadFile(url));
+            }
+        }
+
         @JavascriptInterface
         public void showLog(String message) {
             FirstActivity activity = activityRef.get();