diff --git a/src/Packages/Passport/Runtime/ThirdParty/Gree/Assets/Plugins/iOS/ImmutableWebView.mm b/src/Packages/Passport/Runtime/ThirdParty/Gree/Assets/Plugins/iOS/ImmutableWebView.mm
index df22cde14..450628702 100644
--- a/src/Packages/Passport/Runtime/ThirdParty/Gree/Assets/Plugins/iOS/ImmutableWebView.mm
+++ b/src/Packages/Passport/Runtime/ThirdParty/Gree/Assets/Plugins/iOS/ImmutableWebView.mm
@@ -339,8 +339,21 @@ - (void)loadURL:(const char *)url
     WKWebView *_webView = (WKWebView *)webView;
     NSString *urlStr = [NSString stringWithUTF8String:url];
     NSURL *nsurl = [[NSURL alloc] initFileURLWithPath:urlStr];
-    NSURLRequest *request = [NSURLRequest requestWithURL:nsurl];
-    [_webView load:request];
+    
+    // Load file content as HTML string with a proper base URL
+    NSError *error = nil;
+    NSString *htmlString = [NSString stringWithContentsOfURL:nsurl 
+                                                    encoding:NSUTF8StringEncoding 
+                                                       error:&error];
+    
+    if (error) {
+        NSLog(@"Error loading file: %@", error.localizedDescription);
+        return;
+    }
+    
+    // Use http://localhost as base URL to avoid null origin
+    NSURL *baseURL = [NSURL URLWithString:@"http://localhost/"];
+    [_webView loadHTMLString:htmlString baseURL:baseURL];
 }
 
 - (void)evaluateJS:(const char *)js