diff --git a/fund-gateway/src/main/java/com/fundplatform/gateway/config/RateLimitConfig.java b/fund-gateway/src/main/java/com/fundplatform/gateway/config/RateLimitConfig.java
index c276f75..cd6b2be 100644
--- a/fund-gateway/src/main/java/com/fundplatform/gateway/config/RateLimitConfig.java
+++ b/fund-gateway/src/main/java/com/fundplatform/gateway/config/RateLimitConfig.java
@@ -3,6 +3,7 @@ package com.fundplatform.gateway.config;
 import org.springframework.cloud.gateway.filter.ratelimit.KeyResolver;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
 import reactor.core.publisher.Mono;
 
 /**
@@ -12,9 +13,10 @@ import reactor.core.publisher.Mono;
 public class RateLimitConfig {
 
     /**
-     * 基于IP的限流Key解析器
+     * 基于IP的限流Key解析器 (默认)
      */
     @Bean
+    @Primary
     public KeyResolver ipKeyResolver() {
         return exchange -> {
             String ip = exchange.getRequest().getRemoteAddress() != null