diff --git a/app/src/main/java/com/bell/floatlayoutdemo/MainService.java b/app/src/main/java/com/bell/floatlayoutdemo/MainService.java
index 772bb10..8eb66c6 100644
--- a/app/src/main/java/com/bell/floatlayoutdemo/MainService.java
+++ b/app/src/main/java/com/bell/floatlayoutdemo/MainService.java
@@ -37,6 +37,9 @@
     //状态栏高度.
     int statusBarHeight = -1;
 
+    //扩展的变量数
+    int value = 0;
+
     //不与Activity进行绑定.
     @Override
     public IBinder onBind(Intent intent)
@@ -126,6 +129,9 @@
         toucherLayout.findViewById(R.id.float_900).setOnClickListener(this);
         toucherLayout.findViewById(R.id.float_200).setOnClickListener(this);
 
+        toucherLayout.findViewById(R.id.add_50).setOnClickListener(this);
+        toucherLayout.findViewById(R.id.sub_50).setOnClickListener(this);
+
         toucherLayout.findViewById(R.id.channel).setOnClickListener(this);
 
         /*imageButton1.setOnTouchListener(new View.OnTouchListener() {
@@ -152,6 +158,12 @@
     @Override
     public void onClick(View view) {
         switch (view.getId()){
+            case R.id.add_50:
+                value+=50;
+                break;
+            case R.id.sub_50:
+                value-=50;
+                break;
             case R.id.float_200:
                 ShellUtil.execShellCmd(getShellStr(200));
                 break;
@@ -189,7 +201,8 @@
         int r1 = getRadomInt();
         int x1 = 700+r1;
         int y1 = 1800+r1;
-        int m1 = m+r1;
+        int m1 = m+value+r1;
+        value = 0;
         return  "input swipe "+x1+" "+y1+" "+x1+" "+y1+" "+m1+"";
     }
     public int getRadomInt(){