只有timegap有值的时候，才不计算节拍器 空白时间

src/page-instrument/view-detail/index.tsx

@@ -281,7 +281,8 @@ export default defineComponent({
           });
           return beatTimeItem;
         });
-        const webApi_beatTimes = { beatTime, singBeatTime, mingBeatTime, isBeatTime:!state.isEvxml, isSingBeatTime:!state.isEvxml, isMingBeatTime:!state.isEvxml }
+        debugger
+        const webApi_beatTimes = { beatTime, singBeatTime, mingBeatTime, isBeatTime:!state.evXmlBeginArr.length, isSingBeatTime:!state.evXmlBeginArr.length, isMingBeatTime:!state.evXmlBeginArr.length }
         console.log("webApi_beatTimes", webApi_beatTimes);
         window.parent.postMessage(
           {