diff --git a/mini/src/main/java/com/jinrui/reference/mini/controller/WechatController.java b/mini/src/main/java/com/jinrui/reference/mini/controller/WechatController.java
index eba9018..30c4c7d 100644
--- a/mini/src/main/java/com/jinrui/reference/mini/controller/WechatController.java
+++ b/mini/src/main/java/com/jinrui/reference/mini/controller/WechatController.java
@@ -22,7 +22,6 @@ import redis.clients.jedis.JedisPool;
 
 import javax.annotation.PostConstruct;
 import java.net.URI;
-import java.util.Map;
 
 @RestController
 @RequestMapping("/wechat")
@@ -37,17 +36,14 @@ public class WechatController {
     private final URI accessTokenURI;
     private final HttpService httpService;
     private final String appId;
-    private final ObjectMapper objectMapper;
 
     public WechatController(JedisPool jedisPool,
                             @Value("${wechat.appId}") String appId,
                             @Value("${wechat.secret}") String secret,
-                            HttpService httpService,
-                            ObjectMapper objectMapper) {
+                            HttpService httpService) {
         this.jedisPool = jedisPool;
         this.httpService = httpService;
         this.appId = appId;
-        this.objectMapper = objectMapper;
         this.accessTokenURI = URI.create(String.format(ACCESS_TOKEN_URL_TEMPLATE, appId, secret));
     }
 
diff --git a/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatAccessTokenDTO.java b/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatAccessTokenDTO.java
index 7d6f9a2..091c794 100644
--- a/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatAccessTokenDTO.java
+++ b/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatAccessTokenDTO.java
@@ -5,6 +5,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 /**
  * 微信access token返回值
  */
+@SuppressWarnings("unused")
 public class WechatAccessTokenDTO {
 
     @JsonProperty("errcode")
diff --git a/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatShareDTO.java b/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatShareDTO.java
index 480113c..aa6d8df 100644
--- a/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatShareDTO.java
+++ b/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatShareDTO.java
@@ -3,6 +3,7 @@ package com.jinrui.reference.mini.model.dto.wechat;
 /**
  * 微信分享DTO
  */
+@SuppressWarnings("unused")
 public class WechatShareDTO {
 
     private String url;
diff --git a/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatTicketDTO.java b/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatTicketDTO.java
index 513de59..b34281a 100644
--- a/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatTicketDTO.java
+++ b/mini/src/main/java/com/jinrui/reference/mini/model/dto/wechat/WechatTicketDTO.java
@@ -2,6 +2,7 @@ package com.jinrui.reference.mini.model.dto.wechat;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+@SuppressWarnings("unused")
 public class WechatTicketDTO {
 
     @JsonProperty("errcode")
diff --git a/mini/src/main/java/com/jinrui/reference/mini/model/vo/WechatVO.java b/mini/src/main/java/com/jinrui/reference/mini/model/vo/WechatVO.java
index a7383c5..3891f10 100644
--- a/mini/src/main/java/com/jinrui/reference/mini/model/vo/WechatVO.java
+++ b/mini/src/main/java/com/jinrui/reference/mini/model/vo/WechatVO.java
@@ -12,6 +12,7 @@ import java.util.UUID;
 /**
  * 微信AccessToken返回值
  */
+@SuppressWarnings("unused")
 public class WechatVO {
 
     private static final Logger log = LoggerFactory.getLogger(WechatVO.class);
diff --git a/mini/src/main/java/com/jinrui/reference/mini/service/HttpService.java b/mini/src/main/java/com/jinrui/reference/mini/service/HttpService.java
index f82be3d..3d4185e 100644
--- a/mini/src/main/java/com/jinrui/reference/mini/service/HttpService.java
+++ b/mini/src/main/java/com/jinrui/reference/mini/service/HttpService.java
@@ -13,7 +13,6 @@ import org.springframework.web.client.RestTemplate;
 import java.net.URI;
 import java.util.List;
 import java.util.Map;
-import java.util.stream.Collectors;
 
 @Service
 public class HttpService {