diff --git a/pom.xml b/pom.xml
index 356fd7a6..d033eaab 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@
         <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>1.2.80</fastjson.version>
+        <fastjson.version>2.0.2</fastjson.version>
         <jjwt.version>0.9.1</jjwt.version>
         <minio.version>8.2.2</minio.version>
         <poi.version>4.1.2</poi.version>
@@ -163,8 +163,8 @@
 
             <!-- JSON 解析器和生成器 -->
             <dependency>
-                <groupId>com.alibaba</groupId>
-                <artifactId>fastjson</artifactId>
+                <groupId>com.alibaba.fastjson2</groupId>
+                <artifactId>fastjson2</artifactId>
                 <version>${fastjson.version}</version>
             </dependency>
 
diff --git a/ruoyi-common/ruoyi-common-core/pom.xml b/ruoyi-common/ruoyi-common-core/pom.xml
index 8f30556f..c37444f9 100644
--- a/ruoyi-common/ruoyi-common-core/pom.xml
+++ b/ruoyi-common/ruoyi-common-core/pom.xml
@@ -67,8 +67,8 @@
 
         <!-- Alibaba Fastjson -->
         <dependency>
-            <groupId>com.alibaba</groupId>
-            <artifactId>fastjson</artifactId>
+            <groupId>com.alibaba.fastjson2</groupId>
+            <artifactId>fastjson2</artifactId>
         </dependency>
 
         <!-- Jwt -->
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 be2817c9..a1bffbbe 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
@@ -10,6 +10,7 @@ import java.util.Map;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
+import com.alibaba.fastjson2.JSON;
 import org.springframework.core.io.buffer.DataBuffer;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
@@ -18,7 +19,6 @@ 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;
@@ -296,7 +296,7 @@ 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(JSON.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 c7237f15..14178f8f 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
@@ -15,7 +15,7 @@ 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.alibaba.fastjson2.JSON;
 import com.ruoyi.common.core.utils.ServletUtils;
 import com.ruoyi.common.core.utils.StringUtils;
 import com.ruoyi.common.core.utils.ip.IpUtils;
diff --git a/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/configure/FastJson2JsonRedisSerializer.java b/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/configure/FastJson2JsonRedisSerializer.java
index 012eeb8e..79d2a51e 100644
--- a/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/configure/FastJson2JsonRedisSerializer.java
+++ b/ruoyi-common/ruoyi-common-redis/src/main/java/com/ruoyi/common/redis/configure/FastJson2JsonRedisSerializer.java
@@ -1,13 +1,13 @@
 package com.ruoyi.common.redis.configure;
 
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.serializer.SerializerFeature;
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONReader;
+import com.alibaba.fastjson2.JSONWriter;
 import com.fasterxml.jackson.databind.JavaType;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.type.TypeFactory;
 import org.springframework.data.redis.serializer.RedisSerializer;
 import org.springframework.data.redis.serializer.SerializationException;
-import com.alibaba.fastjson.parser.ParserConfig;
 import org.springframework.util.Assert;
 import java.nio.charset.Charset;
 
@@ -25,10 +25,6 @@ public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T>
 
     private Class<T> clazz;
 
-    static
-    {
-        ParserConfig.getGlobalInstance().setAutoTypeSupport(true);
-    }
 
     public FastJson2JsonRedisSerializer(Class<T> clazz)
     {
@@ -43,7 +39,7 @@ public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T>
         {
             return new byte[0];
         }
-        return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(DEFAULT_CHARSET);
+        return JSON.toJSONString(t, JSONWriter.Feature.WriteClassName).getBytes(DEFAULT_CHARSET);
     }
 
     @Override
@@ -55,7 +51,7 @@ public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T>
         }
         String str = new String(bytes, DEFAULT_CHARSET);
 
-        return JSON.parseObject(str, clazz);
+        return JSON.parseObject(str, clazz, JSONReader.Feature.SupportAutoType);
     }
 
     public void setObjectMapper(ObjectMapper objectMapper)
diff --git a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/ValidateCodeFilter.java b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/ValidateCodeFilter.java
index 39fcd15d..573f2393 100644
--- a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/ValidateCodeFilter.java
+++ b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/ValidateCodeFilter.java
@@ -3,6 +3,7 @@ package com.ruoyi.gateway.filter;
 import java.nio.CharBuffer;
 import java.nio.charset.StandardCharsets;
 import java.util.concurrent.atomic.AtomicReference;
+import com.alibaba.fastjson2.JSON;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.cloud.gateway.filter.GatewayFilter;
 import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
@@ -10,7 +11,7 @@ import org.springframework.core.io.buffer.DataBuffer;
 import org.springframework.core.io.buffer.DataBufferUtils;
 import org.springframework.http.server.reactive.ServerHttpRequest;
 import org.springframework.stereotype.Component;
-import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson2.JSONObject;
 import com.ruoyi.common.core.utils.ServletUtils;
 import com.ruoyi.common.core.utils.StringUtils;
 import com.ruoyi.gateway.config.properties.CaptchaProperties;
@@ -52,7 +53,7 @@ public class ValidateCodeFilter extends AbstractGatewayFilterFactory<Object>
             try
             {
                 String rspStr = resolveBodyFromRequest(request);
-                JSONObject obj = JSONObject.parseObject(rspStr);
+                JSONObject obj = JSON.parseObject(rspStr);
                 validateCodeService.checkCaptcha(obj.getString(CODE), obj.getString(UUID));
             }
             catch (Exception e)
diff --git a/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java b/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java
index 8e6f1596..861c68c9 100644
--- a/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java
+++ b/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java
@@ -21,8 +21,8 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONObject;
 import com.ruoyi.common.core.constant.Constants;
 import com.ruoyi.common.core.constant.GenConstants;
 import com.ruoyi.common.core.exception.ServiceException;
@@ -401,7 +401,7 @@ public class GenTableServiceImpl implements IGenTableService
         if (GenConstants.TPL_TREE.equals(genTable.getTplCategory()))
         {
             String options = JSON.toJSONString(genTable.getParams());
-            JSONObject paramsObj = JSONObject.parseObject(options);
+            JSONObject paramsObj = JSON.parseObject(options);
             if (StringUtils.isEmpty(paramsObj.getString(GenConstants.TREE_CODE)))
             {
                 throw new ServiceException("树编码字段不能为空");
@@ -485,7 +485,7 @@ public class GenTableServiceImpl implements IGenTableService
      */
     public void setTableFromOptions(GenTable genTable)
     {
-        JSONObject paramsObj = JSONObject.parseObject(genTable.getOptions());
+        JSONObject paramsObj = JSON.parseObject(genTable.getOptions());
         if (StringUtils.isNotNull(paramsObj))
         {
             String treeCode = paramsObj.getString(GenConstants.TREE_CODE);
diff --git a/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/util/VelocityUtils.java b/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/util/VelocityUtils.java
index 5aa3c7c5..065be557 100644
--- a/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/util/VelocityUtils.java
+++ b/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/util/VelocityUtils.java
@@ -4,8 +4,9 @@ import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import com.alibaba.fastjson2.JSON;
 import org.apache.velocity.VelocityContext;
-import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson2.JSONObject;
 import com.ruoyi.common.core.constant.GenConstants;
 import com.ruoyi.common.core.utils.DateUtils;
 import com.ruoyi.common.core.utils.StringUtils;
@@ -75,7 +76,7 @@ public class VelocityUtils
     public static void setMenuVelocityContext(VelocityContext context, GenTable genTable)
     {
         String options = genTable.getOptions();
-        JSONObject paramsObj = JSONObject.parseObject(options);
+        JSONObject paramsObj = JSON.parseObject(options);
         String parentMenuId = getParentMenuId(paramsObj);
         context.put("parentMenuId", parentMenuId);
     }
@@ -83,7 +84,7 @@ public class VelocityUtils
     public static void setTreeVelocityContext(VelocityContext context, GenTable genTable)
     {
         String options = genTable.getOptions();
-        JSONObject paramsObj = JSONObject.parseObject(options);
+        JSONObject paramsObj = JSON.parseObject(options);
         String treeCode = getTreecode(paramsObj);
         String treeParentCode = getTreeParentCode(paramsObj);
         String treeName = getTreeName(paramsObj);
@@ -381,7 +382,7 @@ public class VelocityUtils
     public static int getExpandColumn(GenTable genTable)
     {
         String options = genTable.getOptions();
-        JSONObject paramsObj = JSONObject.parseObject(options);
+        JSONObject paramsObj = JSON.parseObject(options);
         String treeName = paramsObj.getString(GenConstants.TREE_NAME);
         int num = 0;
         for (GenTableColumn column : genTable.getColumns())