diff --git a/src/main/java/com/kimgo/wepush/service/CallService.java b/src/main/java/com/kimgo/wepush/service/CallService.java
index 47f1900..8c1a483 100644
--- a/src/main/java/com/kimgo/wepush/service/CallService.java
+++ b/src/main/java/com/kimgo/wepush/service/CallService.java
@@ -20,8 +20,6 @@ import java.io.IOException;
 @Service
 public class CallService {
     private final Logger logger = LoggerFactory.getLogger(CallService.class);
-
-    private ServerResponseEntity serverResponseEntity;
     @Autowired
     private QyWeChatURLService qyWeChatURLService;
     @Autowired
@@ -62,7 +60,7 @@ public class CallService {
         // 将TextCard对象设置到TextCardMessage中
         textCardMessage.setTextcard(textCard);
 
-        logger.info("TextCardMessage: {}", textCardMessage.toString());
+        logger.info("TextCardMessage: {}", textCardMessage);
 
         return textCardMessage;
     }
@@ -74,7 +72,7 @@ public class CallService {
         TextCardMessage textCardMessage = setTextCardMessage(phoneNumber,callTime);
         // 使用Jackson进行序列化
         ObjectMapper objectMapper = new ObjectMapper();
-        String jsonBody = null;
+        String jsonBody;
         try {
             jsonBody = objectMapper.writeValueAsString(textCardMessage);
             logger.info("jsonBody: {}",jsonBody);