diff --git a/eladmin-logging/src/main/java/me/zhengjie/service/impl/LogServiceImpl.java b/eladmin-logging/src/main/java/me/zhengjie/service/impl/LogServiceImpl.java
index 8217accf..be50ea1a 100644
--- a/eladmin-logging/src/main/java/me/zhengjie/service/impl/LogServiceImpl.java
+++ b/eladmin-logging/src/main/java/me/zhengjie/service/impl/LogServiceImpl.java
@@ -28,8 +28,6 @@ import me.zhengjie.service.mapstruct.LogSmallMapper;
 import me.zhengjie.utils.*;
 import org.aspectj.lang.ProceedingJoinPoint;
 import org.aspectj.lang.reflect.MethodSignature;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
@@ -50,7 +48,6 @@ import java.util.*;
 @Service
 @RequiredArgsConstructor
 public class LogServiceImpl implements LogService {
-    private static final Logger log = LoggerFactory.getLogger(LogServiceImpl.class);
     private final LogRepository logRepository;
     private final LogErrorMapper logErrorMapper;
     private final LogSmallMapper logSmallMapper;
@@ -125,7 +122,7 @@ public class LogServiceImpl implements LogService {
                 argList.add(map);
             }
         }
-        if (argList.isEmpty() == 0) {
+        if (argList.isEmpty()) {
             return "";
         }
         return argList.size() == 1 ? JSONUtil.toJsonStr(argList.get(0)) : JSONUtil.toJsonStr(argList);
diff --git a/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java b/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java
index e76512b7..dca5b94b 100644
--- a/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java
+++ b/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java
@@ -76,7 +76,7 @@ public class ConfigurerAdapter implements WebMvcConfigurer {
         // 使用 fastjson 序列化，会导致 @JsonIgnore 失效，可以使用 @JSONField(serialize = false) 替换
         FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
         List<MediaType> supportMediaTypeList = new ArrayList<>();
-        supportMediaTypeList.add(MediaType.APPLICATION_JSON_UTF8);
+        supportMediaTypeList.add(MediaType.APPLICATION_JSON);
         FastJsonConfig config = new FastJsonConfig();
         config.setDateFormat("yyyy-MM-dd HH:mm:ss");
         config.setSerializerFeatures(SerializerFeature.DisableCircularReferenceDetect);