diff --git a/ios/Classes/Api/MOP_registerExtensionApi.m b/ios/Classes/Api/MOP_registerExtensionApi.m
index e726d6f..b66094d 100644
--- a/ios/Classes/Api/MOP_registerExtensionApi.m
+++ b/ios/Classes/Api/MOP_registerExtensionApi.m
@@ -34,7 +34,7 @@
             if (hasError) {
                 NSString *errMsg = result[@"errMsg"];
                 NSString *errPrefix = [NSString stringWithFormat:@"%@:fail", name];
-                NSLog(@"extensionApi2 [%@] reslut:%@", hasError, errMsg);
+                NSLog(@"extensionApi2 [%@] reslut:%@", errPrefix, errMsg);
 
                 BOOL isFail = [errMsg hasPrefix:errPrefix];
                 if (isFail) {