diff --git a/README.md b/README.md
index 4b33217..1cb839e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # demo-request-interceptor
 
-老版本cmd请求拦截接口demo示例<br/>
-demo生效后随便预览一个包含FR附件的模板（可以在单元格里面放一个文件控件，上传一个文件）。<br/>
-下载附件时，日志会输出 Attachment Downloading : $ID 这样的日志\
-同时为附件服务，扩充了一个新的cmd请求，获取附件信息（op=fr_attach&cmd=ah_info）
\ No newline at end of file
+老版本cmd请求拦截接口demo示例\
+demo生效后随便填报预览一个模板\
+调用JS，FR.remoteEvaluate("1+2");后台会产生日志Evaluate Formula Starting: 1+2\
+同时为附件服务，扩充了一个新的cmd请求，获取附件信息（op=fr_attach&cmd=ah_info）
+webroot/decision/view/report?op=fr_attach&cmd=ah_info&id=附件ID
\ No newline at end of file
diff --git a/plugin.xml b/plugin.xml
index 7c49ce1..4f5d9d4 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -11,7 +11,7 @@
 	<main-package>com.tptj.demo.hg.request.interceptor</main-package>
     <function-recorder class="com.tptj.demo.hg.request.interceptor.ReplaceDemo"/>
     <extra-core>
-        <RequestInterceptor class="com.tptj.demo.hg.request.interceptor.ReplaceDemo" op="fr_attach" cmd="ah_download"/>
+        <RequestInterceptor class="com.tptj.demo.hg.request.interceptor.ReplaceDemo" op="fr_write_plus" cmd="evaluate_formula"/>
         <RequestInterceptor class="com.tptj.demo.hg.request.interceptor.NewDemo" op="fr_attach" cmd="ah_info"/>
     </extra-core>
 </plugin>
\ No newline at end of file
diff --git a/src/main/java/com/tptj/demo/hg/request/interceptor/ReplaceDemo.java b/src/main/java/com/tptj/demo/hg/request/interceptor/ReplaceDemo.java
index ce212ce..36f7f73 100644
--- a/src/main/java/com/tptj/demo/hg/request/interceptor/ReplaceDemo.java
+++ b/src/main/java/com/tptj/demo/hg/request/interceptor/ReplaceDemo.java
@@ -4,7 +4,7 @@ import com.fanruan.api.log.LogKit;
 import com.fanruan.api.net.NetworkKit;
 import com.fr.intelli.record.Focus;
 import com.fr.record.analyzer.EnableMetrics;
-import com.fr.web.core.service.AttachmentDownLoadAction;
+import com.fr.report.enhancement.engine.write.service.action.EvaluateFormulaAction;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -15,18 +15,18 @@ import javax.servlet.http.HttpServletResponse;
  * Created by 秃破天际 on 2021-03-19
  **/
 @EnableMetrics
-public class ReplaceDemo extends AttachmentDownLoadAction {
+public class ReplaceDemo extends EvaluateFormulaAction {
     @Override
     public String getCMD() {
-        return "ah_download";
+        return "evaluate_formula";
     }
 
     @Override
     @Focus(id="com.tptj.demo.hg.request.interceptor.v10",text = "cmd接口拦截")
     public void actionCMD(HttpServletRequest req, HttpServletResponse res) throws Exception {
-        String id = NetworkKit.getHTTPRequestParameter(req,"id");
-        LogKit.info("Attachment Downloading : {}",id);
+        String expression = NetworkKit.getHTTPRequestParameter(req,"expression");
+        LogKit.info("Evaluate Formula Starting: {}",expression);
         super.actionCMD(req,res);
-        LogKit.info("Attachment Downloaded : {}",id);
+        LogKit.info("Evaluate Formula Ended: {}",expression);
     }
 }