问题表现：
01/04 19:00:01: Launching com.example.simplevideo
$ hdc shell am force-stop com.example.simplevideo
$ hdc shell bm uninstall com.example.simplevideo
$ hdc file send E:\harmony\SimpleVideo\entry\build\default\outputs\default\entry-default-unsigned.hap /sdcard/f4257a79e289451bab894aa91f97f09d/entry-default-unsigned.hap
$ hdc shell bm install -p /sdcard/f4257a79e289451bab894aa91f97f09d/
Failure[MSG_ERR_INSTALL_FAILED_NO_BUNDLE_SIGNATURE]
Open signing configs
$ hdc shell rm -rf /sdcard/f4257a79e289451bab894aa91f97f09d
Error while Deploying HAP
解决办法：
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