解决验证二维码登录报错

src/main/java/com/xjrsoft/module/system/controller/LoginController.java

@@ -144,7 +144,7 @@ public class LoginController {
     public RT<LoginCheckQRCodeVo> checkLoginQRCode(@RequestBody @Valid String loginCode) {
         Long timestamp = redisUtil.get(loginCode + "time", Long.class);
         if(timestamp == null){
-            timestamp = 0l;
+            timestamp = System.currentTimeMillis();
         }
         long timeMillis = System.currentTimeMillis();
         LoginCheckQRCodeVo loginCheckQRCodeVo = new LoginCheckQRCodeVo();