diff --git a/src/main/java/com/lyxh/api/docking/service/GenericApiService.java b/src/main/java/com/lyxh/api/docking/service/GenericApiService.java
index a7c6a92..1487168 100644
--- a/src/main/java/com/lyxh/api/docking/service/GenericApiService.java
+++ b/src/main/java/com/lyxh/api/docking/service/GenericApiService.java
@@ -1,9 +1,13 @@
 package com.lyxh.api.docking.service;
 
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.lyxh.api.docking.client.ApiCallResult;
 import com.lyxh.api.docking.client.GenericApiClient;
 import com.lyxh.api.docking.entity.ApiCacheData;
 import com.lyxh.api.docking.entity.ThirdPartyConfig;
+import org.apache.commons.codec.digest.DigestUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -11,6 +15,7 @@ import org.springframework.stereotype.Service;
 
 import java.time.Duration;
 import java.time.LocalDateTime;
+import java.util.UUID;
 import java.util.function.Predicate;
 
 /**
@@ -32,6 +37,9 @@ public class GenericApiService {
     @Autowired
     private ApiInvokeLogService invokeLogService;
 
+    @Autowired
+    private ObjectMapper objectMapper;
+
     /**
      * 执行第三方 API 调用（含缓存、日志），返回响应体原始 JSON
      *
@@ -65,7 +73,19 @@ public class GenericApiService {
             ApiCacheData cached = cacheDataService.getNonExpiredCache(apiCode, cacheKey, config.getId());
             if (cached != null) {
                 log.info("Cache hit: weOrderNo={} apiCode={} cacheKey={}", weOrderNo, apiCode, cacheKey);
-                return cached.getCacheValue();
+                // 命中缓存，更新 responseId
+                String cacheValue = cached.getCacheValue();
+                try {
+                    JsonNode root = objectMapper.readTree(cacheValue);
+                    if (root.has("responseId")) {
+                        String newResponseId = DigestUtils.md5Hex(UUID.randomUUID().toString());
+                        ((ObjectNode) root).put("responseId", newResponseId);
+                        return objectMapper.writeValueAsString(root);
+                    }
+                } catch (Exception e) {
+                    log.warn("Failed to replace responseId in cached response: weOrderNo={}", weOrderNo, e);
+                }
+                return cacheValue;
             }
             log.info("Cache miss: weOrderNo={} apiCode={} cacheKey={}", weOrderNo, apiCode, cacheKey);
         }