修改移动端企业查询政策报错问题

ruoyi-common/src/main/java/com/ruoyi/common/utils/SecurityUtils.java

@@ -95,6 +95,21 @@ public class SecurityUtils
         }
     }
 
+    /**
+     * 安全获取后台登录用户，不会抛异常；类型不匹配/未登录返回null
+     */
+    public static LoginUser getLoginUserSafe() {
+        Authentication authentication = getAuthentication();
+        if (authentication == null) {
+            return null;
+        }
+        Object principal = authentication.getPrincipal();
+        if (principal instanceof LoginUser) {
+            return (LoginUser) principal;
+        }
+        return null;
+    }
+
     /**
      * 获取Authentication
      */