diff --git a/controllers/knowledge_upload_controller.go b/controllers/knowledge_upload_controller.go
index 8a156a83a..812b3d852 100644
--- a/controllers/knowledge_upload_controller.go
+++ b/controllers/knowledge_upload_controller.go
@@ -33,5 +33,5 @@ func (c *KnowUploadController) SnsUploadImg() {
 		}
 	}
 	c.Data["jsonp"] = callResult
-	c.ServeJSON()
+	c.ServeJSONP()
 }