系统崩溃日志是什么原因

app有闪退的现场, 请问是什么原因导致的, 查看崩溃日志, 如下

2021/06/23 11:37:49 [crash] imei:866621037739477 md:vivo X9s p:a os:27 net:6 vb:1.9.9.80859 mc: appid:UNIFDE3062 appcount:1 wvcount:5 pn:uni.UNIFDE3062 mem:21132kb etype:1 eurl: carsh_info:java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.refreshDrawableState()' on a null object reference
at io.dcloud.js.map.amap.adapter.DHMapFrameItem$MapHandler.handleMessage(DHMapFrameItem.java:611)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:192)
at android.app.ActivityThread.main(ActivityThread.java:6872)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:549)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:817)

2021/06/23 14:31:48 [crash] imei:B05A0A1D650FB0FA45B87C0F0824C9C5 md:WLZ-AN00 p:a os:29 net:3 vb:1.9.9.80859 mc: appid:UNIFDE3062 appcount:1 wvcount:4 pn:uni.UNIFDE3062 mem:57152kb etype:1 eurl: carsh_info:java.lang.NullPointerException: Attempt to invoke virtual method 'void io.dcloud.js.map.amap.adapter.DHMapView.refreshDrawableState()' on a null object reference
at io.dcloud.js.map.amap.adapter.DHMapFrameItem$MapHandler.handleMessage(DHMapFrameItem.java:611)
at android.os.Handler.dispatchMessage(Handler.java:110)
at android.os.Looper.loop(Looper.java:219)
at android.app.ActivityThread.main(ActivityThread.java:8393)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1055)

2021/06/23 17:03:57 [crash] imei:17FE1A532A0BC650A570DD0D0F139D4B md:HUAWEI CAZ-AL10 p:a os:24 net:6 vb:1.9.9.80859 mc: appid:UNIFDE3062 appcount:1 wvcount:2 pn:uni.UNIFDE3062 mem:158184kb etype:1 eurl: carsh_info:java.lang.NullPointerException: Attempt to invoke virtual method 'void io.dcloud.js.map.amap.adapter.DHMapView.refreshDrawableState()' on a null object reference
at io.dcloud.js.map.amap.adapter.DHMapFrameItem$MapHandler.handleMessage(DHMapFrameItem.java:611)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:156)
at android.app.ActivityThread.main(ActivityThread.java:6517)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:942)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:832)

2021/06/23 17:17:30 [crash] imei:17FE1A532A0BC650A570DD0D0F139D4B md:HUAWEI CAZ-AL10 p:a os:24 net:6 vb:1.9.9.80859 mc: appid:UNIFDE3062 appcount:1 wvcount:5 pn:uni.UNIFDE3062 mem:158980kb etype:1 eurl: carsh_info:java.lang.NullPointerException: Attempt to invoke virtual method 'void io.dcloud.js.map.amap.adapter.DHMapView.refreshDrawableState()' on a null object reference
at io.dcloud.js.map.amap.adapter.DHMapFrameItem$MapHandler.handleMessage(DHMapFrameItem.java:611)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:156)
at android.app.ActivityThread.main(ActivityThread.java:6517)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:942)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:832)