diff --git a/business/auth2/authprovider/weixin/weixin_mini.go b/business/auth2/authprovider/weixin/weixin_mini.go
index 6e079b7ee..82e37b2ca 100644
--- a/business/auth2/authprovider/weixin/weixin_mini.go
+++ b/business/auth2/authprovider/weixin/weixin_mini.go
@@ -72,6 +72,7 @@ func (a *MiniAuther) DecryptData(authInfo *auth2.AuthInfo, jsCode, encryptedData
 	if err != nil {
 		return "", err
 	}
+	authInfo.AuthBindInfo.UserData = sessionKey
 	return string(decryptedData), nil
 }