diff --git a/CPF_Cef/MainModel.cs b/CPF_Cef/MainModel.cs
index db9f86f..51f1131 100644
--- a/CPF_Cef/MainModel.cs
+++ b/CPF_Cef/MainModel.cs
@@ -289,8 +289,7 @@ namespace AksWebBrowser
                     }
                     else
                     {
-                        string results = "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + param.code + "\",\"message\":\"seccse\",\"code\":\"200\",\"status\":true,\"data\":" + IdcardStr + "}";
-                        return result;
+                        result = "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + param.code + "\",\"message\":\"seccse\",\"code\":\"200\",\"status\":true,\"data\":" + IdcardStr + "}";
                     }
                 }
                 SubmitLogs(result, "IDCardRead");