diff --git a/runtime/main/extend/systemplugin/napi/ohos_window.js b/runtime/main/extend/systemplugin/napi/ohos_window.js
index f08f66d1..b8956f9c 100644
--- a/runtime/main/extend/systemplugin/napi/ohos_window.js
+++ b/runtime/main/extend/systemplugin/napi/ohos_window.js
@@ -31,7 +31,9 @@ export const WindowType = {
   TYPE_LAUNCHER_RECENT: 11,
   TYPE_LAUNCHER_DOCK: 12,
   TYPE_VOICE_INTERACTION: 13,
-  TYPE_POINTER: 14
+  TYPE_POINTER: 14,
+  TYPE_FLOAT_CAMERA: 15,
+  TYPE_DIALOG: 16
 }
 
 export const AvoidAreaType= {
@@ -534,7 +536,7 @@ export const Window = {
     if (typeof args[len - 1] === 'function') {
       if (args[0] === 'keyboardHeightChange'|| args[0] === 'systemAvoidAreaChange'
         || args[0] === 'windowSizeChange'|| args[0] === 'touchOutside'|| args[0] === 'avoidAreaChange'
-        || args[0] === 'screenshot'
+        || args[0] === 'screenshot' || args[0] === 'dialogTargetTouch'
       ){
         console.warn(`Window.on you has registered ${args[0]} event`)
       } else {
@@ -551,7 +553,7 @@ export const Window = {
     if (typeof args[len - 1] === 'function') {
       if (args[0] === 'keyboardHeightChange'|| args[0] === 'systemAvoidAreaChange'
         || args[0] === 'windowSizeChange'|| args[0] === 'touchOutside'|| args[0] === 'avoidAreaChange'
-        || args[0] === 'screenshot'
+        || args[0] === 'screenshot' || args[0] === 'dialogTargetTouch'
       ){
         console.warn(`Window.off you has registered ${args[0]} event`)
       } else {
@@ -609,6 +611,21 @@ export const Window = {
       })
     }
   },
+  bindDialogTarget: function(...args) {
+    console.warn("Window.bindDialogTarget interface mocked in the Previewer. How this interface works on the Previewer" +
+      " may be different from that on a real device.")
+    const len = args.length
+    /* 参数带有function,需特殊判断,原型如下 */
+    /* bindDialogTarget(token: rpc.RemoteObject, deathCallback: Callback<void>): Promise<void>; */
+    /* bindDialogTarget(token: rpc.RemoteObject, deathCallback: Callback<void>, callback: AsyncCallback<void>); */
+    if (typeof args[len - 2] === 'function') {
+      args[len - 1].call(this, paramMock.businessErrorMock)
+    } else {
+      return new Promise((resolve) => {
+        resolve()
+      })
+    }
+  },
 }
 
 export const windowMock = Window