fix: 增加air8000 蓝牙和gsensor 的 返回按钮

module/Air8000/project/整机开发板出厂工程/user/airble.lua

@@ -166,7 +166,7 @@ function airble.run()
         lcd.drawStr(0,160,"服务:FA00,特征:" .. Characteristic4   .. "可读数据为：" .. Characteristic4_read)
 
 
-
+        lcd.showImage(20,360,"/luadb/back.jpg")
         lcd.showImage(130,350,"/luadb/start.jpg")   -- EA01 发送数据
         lcd.flush()
         

module/Air8000/project/整机开发板出厂工程/user/airgsensor.lua

@@ -213,7 +213,7 @@ function airgsensor.run()
         else            
         lcd.showImage(130,370,"/luadb/start.jpg")    --  关闭中断模式            
         end
-
+        lcd.showImage(20,360,"/luadb/back.jpg")
         lcd.showImage(0,448,"/luadb/Lbottom.jpg")
         lcd.flush()--刷新页面        
         if not  run_state  then    -- 等待结束，返回主界面