登录增加验证码切换

src/main/java/com/filesystem/service/UserService.java

@@ -51,10 +51,8 @@ public class UserService {
         }
         // 校验 IP：检查客户端 IP 是否在允许范围内
         String allowedIps = user.getAllowedIps();
-        if (allowedIps != null && !allowedIps.isEmpty()) {
+        if (!isIpAllowed(clientIp, allowedIps)) {
-            if (!isIpAllowed(clientIp, allowedIps)) {
+            throw new RuntimeException("登录IP不在允许范围内");
-                throw new RuntimeException("登录IP不在允许范围内");
-            }
         }
         return jwtUtil.generateToken(username, user.getId());
     }