修复缓存相关问题

client.go

@@ -376,9 +376,11 @@ func (hc *HttpClient) setCacheResult(response *define.Response) (bool, error) {
 		return false, nil
 	}
 	cacheKey := hc.cacheInstance.GetKey(hc.reqConfig)
-	if err := hc.cacheInstance.SetValue(response.CacheInfo.CacheKey, serialize.JSON.MarshalForString(response)); nil != err {
+	cacheValue := serialize.JSON.MarshalForString(response)
+	if err := hc.cacheInstance.SetValue(cacheKey, cacheValue); nil != err {
 		return false, err
 	}
 	response.CacheInfo.CacheKey = cacheKey
+	response.CacheInfo.CacheValue = cacheValue
 	return true, nil
 }