diff --git a/ios/sdk/WeexSDK/Sources/Loader/WXResourceLoader.m b/ios/sdk/WeexSDK/Sources/Loader/WXResourceLoader.m
index 5caa292c39..8423f78cd6 100644
--- a/ios/sdk/WeexSDK/Sources/Loader/WXResourceLoader.m
+++ b/ios/sdk/WeexSDK/Sources/Loader/WXResourceLoader.m
@@ -140,7 +140,7 @@ - (void)request:(WXResourceRequest *)request didReceiveResponse:(WXResourceRespo
     WXLogDebug(@"request:%@ didReceiveResponse:%@ ", request, response);
     
     _response = response;
-    _data = nil
+    _data = nil;
     
     if (self.onResponseReceived) {
         self.onResponseReceived(response);