diff --git a/static/login.html b/static/login.html
index a10ea91f..6cb4596a 100644
--- a/static/login.html
+++ b/static/login.html
@@ -93,7 +93,7 @@
                         body: JSON.stringify({ token: tokenInput.value })
                     });
                     let responseJson = response.json();
-                    let retCode = responseJson.json().code;
+                    let retCode = responseJson.code;
                     if (retCode === 0) {
                         //登录成功
                         let retCredential = responseJson.data.Credential;