diff --git a/ruoyi-ui/src/utils/request.js b/ruoyi-ui/src/utils/request.js
index 759f03433..c063ec300 100644
--- a/ruoyi-ui/src/utils/request.js
+++ b/ruoyi-ui/src/utils/request.js
@@ -73,6 +73,18 @@ service.interceptors.response.use(res => {
         type: 'error'
       })
       return Promise.reject(new Error(msg))
+    } else if (code === 901) {
+      Message({
+        type: 'error',
+        duration: 0,
+        dangerouslyUseHTMLString: true,
+        message: '<div>演示模式，不发进行写操作</div>'
+          + '<div> &nbsp; </div>'
+          + '<div>参考 https://www.iocoder.cn/Yudao/build-debugger-environment 教程</div>'
+          + '<div> &nbsp; </div>'
+          + '<div>5 分钟搭建本地环境</div>',
+      })
+      return Promise.reject(new Error(msg))
     } else if (code !== 200) {
       Notification.error({
         title: msg
diff --git a/src/main/java/cn/iocoder/dashboard/common/exception/enums/GlobalErrorCodeConstants.java b/src/main/java/cn/iocoder/dashboard/common/exception/enums/GlobalErrorCodeConstants.java
index 146de8078..adda623e3 100644
--- a/src/main/java/cn/iocoder/dashboard/common/exception/enums/GlobalErrorCodeConstants.java
+++ b/src/main/java/cn/iocoder/dashboard/common/exception/enums/GlobalErrorCodeConstants.java
@@ -32,6 +32,7 @@ public interface GlobalErrorCodeConstants {
 
     // ========== 自定义错误段 ==========
     ErrorCode REPEATED_REQUESTS = new ErrorCode(900, "重复请求，请稍后重试"); // 重复请求
+    ErrorCode DEMO_DENY = new ErrorCode(901, "演示模式，禁止写操作");
 
     ErrorCode UNKNOWN = new ErrorCode(999, "未知错误");
 
diff --git a/src/main/java/cn/iocoder/dashboard/framework/web/config/WebConfiguration.java b/src/main/java/cn/iocoder/dashboard/framework/web/config/WebConfiguration.java
index b87c49008..2f4e7a378 100644
--- a/src/main/java/cn/iocoder/dashboard/framework/web/config/WebConfiguration.java
+++ b/src/main/java/cn/iocoder/dashboard/framework/web/config/WebConfiguration.java
@@ -2,7 +2,9 @@ package cn.iocoder.dashboard.framework.web.config;
 
 import cn.iocoder.dashboard.framework.web.core.enums.FilterOrderEnum;
 import cn.iocoder.dashboard.framework.web.core.filter.CacheRequestBodyFilter;
+import cn.iocoder.dashboard.framework.web.core.filter.DemoFilter;
 import cn.iocoder.dashboard.framework.web.core.filter.XssFilter;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
@@ -68,6 +70,15 @@ public class WebConfiguration implements WebMvcConfigurer {
         return createFilterBean(new XssFilter(properties, pathMatcher), FilterOrderEnum.XSS_FILTER);
     }
 
+    /**
+     * 创建 DemoFilter Bean，演示模式
+     */
+    @Bean
+    @ConditionalOnProperty(value = "yudao.demo", havingValue = "true")
+    public FilterRegistrationBean<DemoFilter> demoFilter() {
+        return createFilterBean(new DemoFilter(), FilterOrderEnum.DEMO_FILTER);
+    }
+
     private static <T extends Filter> FilterRegistrationBean<T> createFilterBean(T filter, Integer order) {
         FilterRegistrationBean<T> bean = new FilterRegistrationBean<>(filter);
         bean.setOrder(order);
diff --git a/src/main/java/cn/iocoder/dashboard/framework/web/core/enums/FilterOrderEnum.java b/src/main/java/cn/iocoder/dashboard/framework/web/core/enums/FilterOrderEnum.java
index 31b25087e..7c6ac8c6a 100644
--- a/src/main/java/cn/iocoder/dashboard/framework/web/core/enums/FilterOrderEnum.java
+++ b/src/main/java/cn/iocoder/dashboard/framework/web/core/enums/FilterOrderEnum.java
@@ -9,6 +9,7 @@ public interface FilterOrderEnum {
 
     int CORS_FILTER = Integer.MIN_VALUE;
 
+
     int REQUEST_BODY_CACHE_FILTER = Integer.MIN_VALUE + 500;
 
     // OrderedRequestContextFilter 默认为 -105，用于国际化上下文等等
@@ -19,4 +20,6 @@ public interface FilterOrderEnum {
 
     // Spring Security Filter 默认为 -100，可见 SecurityProperties 配置属性类
 
+    int DEMO_FILTER = Integer.MAX_VALUE;
+
 }
diff --git a/src/main/java/cn/iocoder/dashboard/framework/web/core/filter/DemoFilter.java b/src/main/java/cn/iocoder/dashboard/framework/web/core/filter/DemoFilter.java
new file mode 100644
index 000000000..f5f008947
--- /dev/null
+++ b/src/main/java/cn/iocoder/dashboard/framework/web/core/filter/DemoFilter.java
@@ -0,0 +1,35 @@
+package cn.iocoder.dashboard.framework.web.core.filter;
+
+import cn.hutool.core.util.StrUtil;
+import cn.iocoder.dashboard.common.pojo.CommonResult;
+import cn.iocoder.dashboard.framework.security.core.util.SecurityFrameworkUtils;
+import cn.iocoder.dashboard.util.servlet.ServletUtils;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import javax.servlet.FilterChain;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import static cn.iocoder.dashboard.common.exception.enums.GlobalErrorCodeConstants.DEMO_DENY;
+
+/**
+ * 演示 Filter，禁止用户发起写操作，避免影响测试数据
+ *
+ * @author 芋道源码
+ */
+public class DemoFilter extends OncePerRequestFilter {
+
+    @Override
+    protected boolean shouldNotFilter(HttpServletRequest request) {
+        String method = request.getMethod();
+        return !StrUtil.equalsAnyIgnoreCase(method, "POST", "PUT", "DELETE")  // 写操作时，不进行过滤率
+                || SecurityFrameworkUtils.getLoginUser() == null; // 非登陆用户时，不进行过滤
+    }
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain) {
+        // 直接返回 DEMO_DENY 的结果。即，请求不继续
+        ServletUtils.writeJSON(response, CommonResult.error(DEMO_DENY));
+    }
+
+}
diff --git a/src/main/resources/application-dev.yaml b/src/main/resources/application-dev.yaml
index b0a96fb04..39ae7e851 100644
--- a/src/main/resources/application-dev.yaml
+++ b/src/main/resources/application-dev.yaml
@@ -161,3 +161,4 @@ yudao:
     exclude-urls: # 如下两个 url，仅仅是为了演示，去掉配置也没关系
       - ${spring.boot.admin.context-path}/** # 不处理 Spring Boot Admin 的请求
       - ${management.endpoints.web.base-path}/** # 不处理 Actuator 的请求
+  demo: true # 开启演示模式
diff --git a/src/main/resources/application-local.yaml b/src/main/resources/application-local.yaml
index fdb260758..5736736c5 100644
--- a/src/main/resources/application-local.yaml
+++ b/src/main/resources/application-local.yaml
@@ -161,3 +161,4 @@ yudao:
     exclude-urls: # 如下两个 url，仅仅是为了演示，去掉配置也没关系
       - ${spring.boot.admin.context-path}/** # 不处理 Spring Boot Admin 的请求
       - ${management.endpoints.web.base-path}/** # 不处理 Actuator 的请求
+  demo: false # 关闭演示模式