diff --git a/hippo4j-config/src/main/java/cn/hippo4j/config/service/ConfigServletInner.java b/hippo4j-config/src/main/java/cn/hippo4j/config/service/ConfigServletInner.java
index 48457554..16eb8f4d 100644
--- a/hippo4j-config/src/main/java/cn/hippo4j/config/service/ConfigServletInner.java
+++ b/hippo4j-config/src/main/java/cn/hippo4j/config/service/ConfigServletInner.java
@@ -19,7 +19,6 @@ package cn.hippo4j.config.service;
 
 import com.github.benmanes.caffeine.cache.Cache;
 import com.github.benmanes.caffeine.cache.Caffeine;
-import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -36,20 +35,21 @@ import static cn.hippo4j.common.constant.Constants.WEIGHT_CONFIGS;
 @RequiredArgsConstructor
 public class ConfigServletInner {
 
-    @NonNull
     private final LongPollingService longPollingService;
 
+    private static final int CLIENT_IDENTIFY_MAXIMUM_SIZE = 16384;
+
     private final Cache<String, Long> deWeightCache = Caffeine.newBuilder()
-            .maximumSize(1024)
+            .maximumSize(CLIENT_IDENTIFY_MAXIMUM_SIZE)
             .build();
 
     /**
      * Poll configuration.
      *
-     * @param request
-     * @param response
-     * @param clientMd5Map
-     * @param probeRequestSize
+     * @param request          http servlet request
+     * @param response         http servlet response
+     * @param clientMd5Map     client md5 map
+     * @param probeRequestSize probe request size
      * @return
      */
     public String doPollingConfig(HttpServletRequest request, HttpServletResponse response, Map<String, String> clientMd5Map, int probeRequestSize) {
@@ -66,7 +66,7 @@ public class ConfigServletInner {
      * When a user proposes to deploy in the company environment, the same request will be called repeatedly.
      * This problem belongs to an extremely individual scenario. Since it cannot be reproduced, so first solve the problem in this way.
      *
-     * @param request
+     * @param request http servlet request
      * @return
      */
     private boolean weightVerification(HttpServletRequest request) {