diff --git a/ruoyi-admin/src/main/resources/application.yml b/ruoyi-admin/src/main/resources/application.yml
index d11d9f0ea..637956c2c 100644
--- a/ruoyi-admin/src/main/resources/application.yml
+++ b/ruoyi-admin/src/main/resources/application.yml
@@ -8,7 +8,7 @@ server:
   # undertow 配置
   undertow:
     # HTTP post内容的最大大小。当值为-1时，默认值为大小是无限的
-    max-http-post-size: -1
+    max-http-post-size: 1GB
     # 以下的配置会影响buffer,这些buffer会用于服务器连接的IO操作,有点类似netty的池化内存管理
     # 每块buffer的空间大小,越小的空间被利用越充分
     buffer-size: 512
diff --git a/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/config/UndertowConfig.java b/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/config/UndertowConfig.java
index 84f88ff82..02ab0a1eb 100644
--- a/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/config/UndertowConfig.java
+++ b/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/config/UndertowConfig.java
@@ -1,11 +1,14 @@
 package org.dromara.common.web.config;
 
+import io.undertow.UndertowOptions;
 import io.undertow.server.DefaultByteBufferPool;
 import io.undertow.server.handlers.DisallowedMethodsHandler;
 import io.undertow.util.HttpString;
 import io.undertow.websockets.jsr.WebSocketDeploymentInfo;
 import org.dromara.common.core.utils.SpringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.AutoConfiguration;
+import org.springframework.boot.autoconfigure.web.ServerProperties;
 import org.springframework.boot.web.embedded.undertow.UndertowServletWebServerFactory;
 import org.springframework.boot.web.server.WebServerFactoryCustomizer;
 import org.springframework.core.task.VirtualThreadTaskExecutor;
@@ -18,6 +21,9 @@ import org.springframework.core.task.VirtualThreadTaskExecutor;
 @AutoConfiguration
 public class UndertowConfig implements WebServerFactoryCustomizer<UndertowServletWebServerFactory> {
 
+    @Autowired
+    private ServerProperties serverProperties;
+
     /**
      * 自定义 Undertow 配置
      * <p>
@@ -31,6 +37,11 @@ public class UndertowConfig implements WebServerFactoryCustomizer<UndertowServle
      */
     @Override
     public void customize(UndertowServletWebServerFactory factory) {
+        long bytes = serverProperties.getUndertow().getMaxHttpPostSize().toBytes();
+        factory.addBuilderCustomizers(builder -> {
+            builder.setServerOption(UndertowOptions.MULTIPART_MAX_ENTITY_SIZE, bytes);
+        });
+
         factory.addDeploymentInfoCustomizers(deploymentInfo -> {
             // 配置 WebSocket 部署信息，设置 WebSocket 使用的缓冲区池
             WebSocketDeploymentInfo webSocketDeploymentInfo = new WebSocketDeploymentInfo();