diff --git a/src/views/device/Instance/Detail/Parsing/index.vue b/src/views/device/Instance/Detail/Parsing/index.vue
index c047bf1b..d70bd7e4 100644
--- a/src/views/device/Instance/Detail/Parsing/index.vue
+++ b/src/views/device/Instance/Detail/Parsing/index.vue
@@ -164,7 +164,16 @@ import { isBoolean } from 'lodash';
 import { onlyMessage } from '@/utils/comm';
 
 const defaultValue =
-    '//解码函数\r\nfunction decode(context) {\r\n    //原始报文\r\n    var buffer = context.payload();\r\n    // 转为json\r\n    // var json = context.json();\r\n    //mqtt 时通过此方法获取topic\r\n    // var topic = context.topic();\r\n\r\n    // 提取变量\r\n    // var topicVars = context.pathVars("/{deviceId}/**",topic)\r\n    //温度属性\r\n    var temperature = buffer.getShort(3) * 10;\r\n    //湿度属性\r\n    var humidity = buffer.getShort(6) * 10;\r\n    return {\r\n        "temperature": temperature,\r\n        "humidity": humidity\r\n    };\r\n}\r\n';
+    `//注册设备下行数据监听器,当平台下发指令给设备时,回调将被调用,用于构造下发给设备的报文
+      codec.onDownstream(function(ctx){
+
+      });
+
+      //注册设备上行数据监听器,当设备上行数据时,回调将被调用,用于解析设备上报的数据.
+      codec.onUpstream(function(ctx){
+
+      });
+    `;
 
 const el = ref<HTMLElement | null>(null);
 const { toggle } = useFullscreen(el);
diff --git a/src/views/device/Product/Detail/DataAnalysis/index.vue b/src/views/device/Product/Detail/DataAnalysis/index.vue
index c3fec662..1d117db8 100644
--- a/src/views/device/Product/Detail/DataAnalysis/index.vue
+++ b/src/views/device/Product/Detail/DataAnalysis/index.vue
@@ -123,7 +123,16 @@ import { isBoolean } from 'lodash';
 import { onlyMessage } from '@/utils/comm';
 
 const defaultValue =
-    '//解码函数\r\nfunction decode(context) {\r\n    //原始报文\r\n    var buffer = context.payload();\r\n    // 转为json\r\n    // var json = context.json();\r\n    //mqtt 时通过此方法获取topic\r\n    // var topic = context.topic();\r\n\r\n    // 提取变量\r\n    // var topicVars = context.pathVars("/{deviceId}/**",topic)\r\n    //温度属性\r\n    var temperature = buffer.getShort(3) * 10;\r\n    //湿度属性\r\n    var humidity = buffer.getShort(6) * 10;\r\n    return {\r\n        "temperature": temperature,\r\n        "humidity": humidity\r\n    };\r\n}\r\n';
+    `//注册设备下行数据监听器,当平台下发指令给设备时,回调将被调用,用于构造下发给设备的报文
+      codec.onDownstream(function(ctx){
+
+      });
+
+      //注册设备上行数据监听器,当设备上行数据时,回调将被调用,用于解析设备上报的数据.
+      codec.onUpstream(function(ctx){
+
+      });
+    `;
 
 const el = ref<HTMLElement | null>(null);
 const { toggle } = useFullscreen(el);