diff --git a/src/main/java/com/sqx/common/aspect/AppApiMethodAspect.java b/src/main/java/com/sqx/common/aspect/AppApiMethodAspect.java
index 575f9970..86fd9780 100644
--- a/src/main/java/com/sqx/common/aspect/AppApiMethodAspect.java
+++ b/src/main/java/com/sqx/common/aspect/AppApiMethodAspect.java
@@ -54,11 +54,11 @@ public class AppApiMethodAspect {
         HttpServletRequest request = HttpContextUtils.getHttpServletRequest();
         String requestIp = IPUtils.getIpAddr(request);
 
-//        Integer maxAccessCount = Integer.parseInt(commonInfoService.findOne(935).getValue());
-//        if (!IpAccessCounter.canAccess(requestIp, maxAccessCount)) {
-//            log.info("IpAccessCounter 一分钟内请求超过限制，IP: {}, 最大访问次数: {}", requestIp, maxAccessCount);
-//            throw new LimitException("访问频率过高，请稍后再试");
-//        }
+        Integer maxAccessCount = Integer.parseInt(commonInfoService.findOne(935).getValue());
+        if (!IpAccessCounter.canAccess(requestIp, maxAccessCount)) {
+            log.info("IpAccessCounter 一分钟内请求超过限制，IP: {}, 最大访问次数: {}", requestIp, maxAccessCount);
+            throw new LimitException("访问频率过高，请稍后再试");
+        }
 
         String params = new Gson().toJson(args);
 
diff --git a/src/main/java/com/sqx/common/aspect/IpAccessCounter.java b/src/main/java/com/sqx/common/aspect/IpAccessCounter.java
index 3131bafe..572e8df2 100644
--- a/src/main/java/com/sqx/common/aspect/IpAccessCounter.java
+++ b/src/main/java/com/sqx/common/aspect/IpAccessCounter.java
@@ -3,6 +3,7 @@ package com.sqx.common.aspect;
 import lombok.extern.slf4j.Slf4j;
 
 import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
@@ -14,9 +15,9 @@ import java.util.concurrent.atomic.AtomicInteger;
 @Slf4j
 public class IpAccessCounter {
     // 记录 IP 及其每次访问的时间列表
-    private static final Map<String, List<Long>> IP_ACCESS_TIMES = new HashMap<>();
+    private static final Map<String, List<Long>> IP_ACCESS_TIMES = new ConcurrentHashMap<>();
     // 黑名单，记录 IP 及其加入黑名单的时间
-    private static final Map<String, Long> BLACKLIST = new HashMap<>();
+    private static final Map<String, Long> BLACKLIST = new ConcurrentHashMap<>();
     // 一分钟的毫秒数
     private static final long ONE_MINUTE = 60 * 1000;
     // 十分钟的毫秒数
@@ -88,7 +89,7 @@ public class IpAccessCounter {
     // 检查 IP 是否可以访问
     public static boolean canAccess(String ip, Integer maxAccessCount) {
         removeCount.getAndIncrement();
-        if (removeCount.get() > 300) {
+        if (removeCount.get() > 400) {
             removeOldInfo();
         }
         if (isBlacklisted(ip)) {