diff --git a/.gitignore b/.gitignore
index 3624fb1..f3a830f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 go.sum
 fyne-demo
-*.app
\ No newline at end of file
+*.app
+*.apk
\ No newline at end of file
diff --git a/readme.md b/readme.md
index 9c85cd2..ffac75c 100644
--- a/readme.md
+++ b/readme.md
@@ -16,6 +16,11 @@
 * fyne package -os android -appID me.myschools.fyne-demo -icon '/Users/suguo/project/fyne-demo/Icon.png'
     no Android NDK found in $ANDROID_HOME/ndk-bundle nor in $ANDROID_NDK_HOME
 
+#### 模拟器
+
+* ./emulator -avd Pixel_3a_API_33_x86_64 -gpu auto # 清存储-wipe-data
+* ./emulator -list-avds
+
 #### 资料
 
 * https://github.com/fyne-io/fyne
\ No newline at end of file