diff --git a/services/native/include/usb_function_switch_window.h b/services/native/include/usb_function_switch_window.h
index 6173355c5550abd390cb4f889a68a859b8b6a1c6..1d883bdf71c0073addc449e1a0a50c3ea3b651e5 100644
--- a/services/native/include/usb_function_switch_window.h
+++ b/services/native/include/usb_function_switch_window.h
@@ -58,7 +58,10 @@ private:
         void OnAbilityConnectDone(const AppExecFwk::ElementName &element, const sptr<IRemoteObject> &remoteObject,
             int32_t resultCode) override;
         void OnAbilityDisconnectDone(const AppExecFwk::ElementName &element, int32_t resultCode) override;
-        public:
+    public:
+        void CloseDialog();
+    private:
+        sptr<IRemoteObject> remoteObject_ = nullptr;
     };
     bool ShowFunctionSwitchWindow();
     bool UnShowFunctionSwitchWindow();
diff --git a/services/native/src/usb_function_switch_window.cpp b/services/native/src/usb_function_switch_window.cpp
index 71bf60a5034ad19085a19afb61492c94f14b7980..5e89c3deca5535e07033dedff35cc8b707c6cc8a 100644
--- a/services/native/src/usb_function_switch_window.cpp
+++ b/services/native/src/usb_function_switch_window.cpp
@@ -155,7 +155,7 @@ void UsbFunctionSwitchWindow::UsbFuncAbilityConn::OnAbilityConnectDone(const App
         USB_HILOGI(MODULE_USB_SERVICE, "show dialog is failed: %{public}d", ret);
         return;
     }
-
+    remoteObject_ = remoteObject;
     return;
 }
 
@@ -163,9 +163,30 @@ void UsbFunctionSwitchWindow::UsbFuncAbilityConn::OnAbilityDisconnectDone(
     const AppExecFwk::ElementName& element, int resultCode)
 {
     USB_HILOGI(MODULE_USB_SERVICE, "OnAbilityDisconnectDone");
+    remoteObject_ = nullptr;
     return;
 }
 
+void UsbFunctionSwitchWindow::UsbFuncAbilityConn::CloseDialog()
+{
+    if (remoteObject_ == nullptr) {
+        USB_HILOGW(MODULE_USB_SERVICE, "CloseDialog: disconnected");
+        return;
+    }
+
+    MessageParcel data;
+    MessageParcel reply;
+    MessageOption option;
+    const uint32_t cmdCode = 3;
+    int32_t ret = remoteObject_->SendRequest(cmdCode, data, reply, option);
+    int32_t replyCode = -1;
+    bool success = false;
+    if (ret == ERR_OK) {
+        success = reply.ReadInt32(replyCode);
+    }
+    USB_HILOGI(MODULE_USB_SERVICE, "CloseDialog: ret=%{public}d, %{public}d, %{public}d", ret, success, replyCode);
+}
+
 bool UsbFunctionSwitchWindow::ShowFunctionSwitchWindow()
 {
     USB_HILOGI(MODULE_USB_SERVICE, "show function switch window right now, installed: %{public}d", isDialogInstalled_);
@@ -211,16 +232,12 @@ bool UsbFunctionSwitchWindow::UnShowFunctionSwitchWindow()
         return false;
     }
     USB_HILOGI(MODULE_USB_SERVICE, "unshow function switch window");
-    AAFwk::Want want;
-    want.SetElementName(functionSwitchBundleName_, functionSwitchExtAbility_);
-    auto ret = abmc->StopServiceAbility(want);
+    usbFuncAbilityConn->CloseDialog();
+
+    auto ret = abmc->DisconnectAbility(usbFuncAbilityConn);
     if (ret != UEC_OK) {
-        USB_HILOGE(MODULE_SERVICE, "StopServiceAbility failed %{public}d", ret);
-        ret = abmc->DisconnectAbility(usbFuncAbilityConn);
-        if (ret != UEC_OK) {
-            USB_HILOGE(MODULE_SERVICE, "DisconnectAbility failed %{public}d", ret);
-            return false;
-        }
+        USB_HILOGE(MODULE_SERVICE, "DisconnectAbility failed %{public}d", ret);
+        return false;
     }
     USB_HILOGD(MODULE_USB_SERVICE, "unshow function switch window success");
     return true;