diff --git a/pom.xml b/pom.xml
index f1a58b4a5..ad715f160 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,6 @@
         <commons.io.version>2.11.0</commons.io.version>
         <commons.fileupload.version>1.4</commons.fileupload.version>
         <velocity.version>2.3</velocity.version>
-        <fastjson.version>1.2.79</fastjson.version>
         <minio.version>8.2.2</minio.version>
         <poi.version>4.1.2</poi.version>
         <common-pool.version>2.10.0</common-pool.version>
@@ -192,13 +191,6 @@
                 <version>${commons-collections.version}</version>
             </dependency>
 
-            <!-- JSON 解析器和生成器 -->
-            <dependency>
-                <groupId>com.alibaba</groupId>
-                <artifactId>fastjson</artifactId>
-                <version>${fastjson.version}</version>
-            </dependency>
-
             <!-- 线程传递值 -->
             <dependency>
                 <groupId>com.alibaba</groupId>
diff --git a/ruoyi-common/ruoyi-common-core/pom.xml b/ruoyi-common/ruoyi-common-core/pom.xml
index a8579cc6a..7ca913f67 100644
--- a/ruoyi-common/ruoyi-common-core/pom.xml
+++ b/ruoyi-common/ruoyi-common-core/pom.xml
@@ -75,12 +75,6 @@
             <artifactId>jackson-datatype-jsr310</artifactId>
         </dependency>
 
-        <!-- Alibaba Fastjson -->
-        <dependency>
-            <groupId>com.alibaba</groupId>
-            <artifactId>fastjson</artifactId>
-        </dependency>
-
         <!-- Jaxb -->
         <dependency>
             <groupId>javax.xml.bind</groupId>
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java
index c7bec5daf..11862b0fe 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/ServletUtils.java
@@ -18,7 +18,6 @@ import org.springframework.http.server.reactive.ServerHttpResponse;
 import org.springframework.web.context.request.RequestAttributes;
 import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
-import com.alibaba.fastjson.JSONObject;
 import com.ruoyi.common.core.constant.Constants;
 import com.ruoyi.common.core.domain.R;
 import com.ruoyi.common.core.text.Convert;
@@ -302,7 +301,7 @@ public class ServletUtils
         response.setStatusCode(status);
         response.getHeaders().add(HttpHeaders.CONTENT_TYPE, contentType);
         R<?> result = R.fail(code, value.toString());
-        DataBuffer dataBuffer = response.bufferFactory().wrap(JSONObject.toJSONString(result).getBytes());
+        DataBuffer dataBuffer = response.bufferFactory().wrap(JsonUtils.toJsonString(result).getBytes());
         return response.writeWith(Mono.just(dataBuffer));
     }
 }
diff --git a/ruoyi-common/ruoyi-common-log/src/main/java/com/ruoyi/common/log/aspect/LogAspect.java b/ruoyi-common/ruoyi-common-log/src/main/java/com/ruoyi/common/log/aspect/LogAspect.java
index 73b34e69f..640799504 100644
--- a/ruoyi-common/ruoyi-common-log/src/main/java/com/ruoyi/common/log/aspect/LogAspect.java
+++ b/ruoyi-common/ruoyi-common-log/src/main/java/com/ruoyi/common/log/aspect/LogAspect.java
@@ -5,19 +5,18 @@ import java.util.Map;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import cn.hutool.json.JSON;
+import com.ruoyi.common.core.utils.JsonUtils;
 import lombok.extern.slf4j.Slf4j;
 import org.aspectj.lang.JoinPoint;
 import org.aspectj.lang.annotation.AfterReturning;
 import org.aspectj.lang.annotation.AfterThrowing;
 import org.aspectj.lang.annotation.Aspect;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpMethod;
 import org.springframework.stereotype.Component;
 import org.springframework.validation.BindingResult;
 import org.springframework.web.multipart.MultipartFile;
-import com.alibaba.fastjson.JSON;
 import com.ruoyi.common.core.utils.ServletUtils;
 import com.ruoyi.common.core.utils.StringUtils;
 import com.ruoyi.common.core.utils.ip.IpUtils;
@@ -130,7 +129,7 @@ public class LogAspect
         // 是否需要保存response，参数和值
         if (log.isSaveResponseData() && StringUtils.isNotNull(jsonResult))
         {
-            operLog.setJsonResult(StringUtils.substring(JSON.toJSONString(jsonResult), 0, 2000));
+            operLog.setJsonResult(StringUtils.substring(JsonUtils.toJsonString(jsonResult), 0, 2000));
         }
     }
 
@@ -155,7 +154,7 @@ public class LogAspect
      */
     private String argsArrayToString(Object[] paramsArray)
     {
-        String params = "";
+        StringBuilder params = new StringBuilder();
         if (paramsArray != null && paramsArray.length > 0)
         {
             for (Object o : paramsArray)
@@ -164,8 +163,7 @@ public class LogAspect
                 {
                     try
                     {
-                        Object jsonObj = JSON.toJSON(o);
-                        params += jsonObj.toString() + " ";
+                        params.append(JsonUtils.toJsonString(o)).append(" ");
                     }
                     catch (Exception e)
                     {
@@ -173,7 +171,7 @@ public class LogAspect
                 }
             }
         }
-        return params.trim();
+        return params.toString().trim();
     }
 
     /**