diff --git a/entry/src/main/ets/pages/UserInfo.ets b/entry/src/main/ets/pages/UserInfo.ets
index cbf8356c..594f7b5f 100644
--- a/entry/src/main/ets/pages/UserInfo.ets
+++ b/entry/src/main/ets/pages/UserInfo.ets
@@ -389,7 +389,7 @@ struct UserInfo {
     db.getRdbStore(() => {
       db.query('0', (syssetParams) => {
         const serialNumberArr = syssetParams.filter(sys => sys.v_no === '901')
-        that.jkxlh = serialNumberArr?.[0]?.v_value || '1234567'
+        that.jkxlh = serialNumberArr?.[0]?.v_value || ''
         const ksxtbhArr = syssetParams.filter(sys => sys.v_no === '902')
         that.ksxtbh = ksxtbhArr?.[0]?.v_value || '222'
         const studentRefreshParam = syssetParams.filter(sys => sys.v_no === '452') //判断自动更新
@@ -800,7 +800,7 @@ struct UserInfo {
       drvexam,
       xtlb: '17',
       //接口序列号
-      jkxlh: this.jkxlh || '1234567',
+      jkxlh: this.jkxlh || '',
       //接口标识
       jkid: '17C51',
     }