diff --git a/src/main/java/com/taoyuanx/securitydemo/exception/RadioLimitException.java b/src/main/java/com/taoyuanx/securitydemo/exception/LimitException.java
similarity index 61%
rename from src/main/java/com/taoyuanx/securitydemo/exception/RadioLimitException.java
rename to src/main/java/com/taoyuanx/securitydemo/exception/LimitException.java
index a245a77..cfb6fee 100644
--- a/src/main/java/com/taoyuanx/securitydemo/exception/RadioLimitException.java
+++ b/src/main/java/com/taoyuanx/securitydemo/exception/LimitException.java
@@ -5,8 +5,8 @@ package com.taoyuanx.securitydemo.exception;
  * @desc 限制访问异常 http状态码 429
  * @date 2019/8/26
  */
-public class RadioLimitException extends  RuntimeException {
-    public RadioLimitException(String message) {
+public class LimitException extends  RuntimeException {
+    public LimitException(String message) {
         super(message);
     }
 }
diff --git a/src/main/java/com/taoyuanx/securitydemo/exception/SystemExceptionHandler.java b/src/main/java/com/taoyuanx/securitydemo/exception/SystemExceptionHandler.java
index bfdee17..9ad1979 100644
--- a/src/main/java/com/taoyuanx/securitydemo/exception/SystemExceptionHandler.java
+++ b/src/main/java/com/taoyuanx/securitydemo/exception/SystemExceptionHandler.java
@@ -8,7 +8,6 @@ import com.taoyuanx.securitydemo.utils.ResponseUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpStatus;
-import org.springframework.stereotype.Component;
 import org.springframework.web.HttpMediaTypeNotSupportedException;
 import org.springframework.web.method.HandlerMethod;
 import org.springframework.web.servlet.HandlerExceptionResolver;
@@ -54,7 +53,7 @@ public class SystemExceptionHandler implements HandlerExceptionResolver {
         } else if (e instanceof HttpMediaTypeNotSupportedException) {
             HttpMediaTypeNotSupportedException mediaEx = (HttpMediaTypeNotSupportedException) e;
             result = ResultBuilder.failed(ResultCode.UN_SUPPORT_MEDIATYPE.code, "不支持该媒体类型:" + mediaEx.getContentType());
-        } else if (e instanceof RadioLimitException) {
+        } else if (e instanceof LimitException) {
             httpStatus = HttpStatus.TOO_MANY_REQUESTS;
             result = ResultBuilder.failed(ResultCode.TOO_MANY_REQUESTS.code, e.getMessage());
         } else if (e instanceof JSONException) {
diff --git a/src/main/java/com/taoyuanx/securitydemo/security/RateLimitAspect.java b/src/main/java/com/taoyuanx/securitydemo/security/RateLimitAspect.java
index 3635f15..055665b 100644
--- a/src/main/java/com/taoyuanx/securitydemo/security/RateLimitAspect.java
+++ b/src/main/java/com/taoyuanx/securitydemo/security/RateLimitAspect.java
@@ -3,7 +3,7 @@ package com.taoyuanx.securitydemo.security;
 
 import com.google.common.collect.Maps;
 import com.google.common.util.concurrent.RateLimiter;
-import com.taoyuanx.securitydemo.exception.RadioLimitException;
+import com.taoyuanx.securitydemo.exception.LimitException;
 import com.taoyuanx.securitydemo.utils.RequestUtil;
 import org.aspectj.lang.ProceedingJoinPoint;
 import org.aspectj.lang.Signature;
@@ -63,7 +63,7 @@ public class RateLimitAspect {
     private void handleRateLimit(RateLimit rateLimit, String methodName) throws Throwable {
         RateLimiter rateLimiter = doGetRateLimiter(rateLimit, methodName);
         if (!rateLimiter.tryAcquire()) {
-            throw new RadioLimitException("请求过于频繁,请稍后再试");
+            throw new LimitException("请求过于频繁,请稍后再试");
         }
     }