你好，请问Touch_Start在3.7版本的编辑器里调试,被触发两次是什么原因?

Creator 3.x
#1

41aef15f502781870996b5a2b234945
41aef15f502781870996b5a2b2349452880×1800 808 KB
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8f40663cab341474509560b51dc9d402880×1800 589 KB
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606fa82a802e564d7699b4af4beb6252880×1800 253 KB

浏览器内正常一次触发

#2

input.on(Input.EventType.TOUCH_START, _that.onjump, _that);
在编辑器里调试,回调会被执行两次,在浏览器则只有一次,请问是怎么回事呢