【报Bug】uni-sdk APP里，微信分享纯图片报错

示例代码：

SUPPORTED_64_BIT_ABIS=[Ljava.lang.String;@6992804 versionCode=202000723 BOARD=msm8937 BOOTLOADER=unknown TYPE=user ID=MMB29M TIME=1555599195000 BRAND=Xiaomi TAG=Build SERIAL=40c4a14e7d23 HARDWARE=qcom SUPPORTED_ABIS=[Ljava.lang.String;@7f71ed CPU_ABI=armeabi-v7a RADIO=unknown IS_DEBUGGABLE=false MANUFACTURER=Xiaomi SUPPORTED_32_BIT_ABIS=[Ljava.lang.String;@1841c17 TAGS=release-keys CPU_ABI2=armeabi UNKNOWN=unknown USER=builder FINGERPRINT=Xiaomi/land/land:6.0.1/MMB29M/V10.2.2.0.MALCNXM:user/release-keys HOST=c4-miui-ota-bd12.bj PRODUCT=land versionName=3.6.1 DISPLAY=MMB29M MODEL=Redmi 3S DEVICE=land java.lang.RuntimeException: Unable to start activity ComponentInfo{com.zjwocai.threeemobile/io.dcloud.ProcessMediator}: java.lang.NullPointerException: Attempt to invoke interface method 'int com.tencent.mm.opensdk.modelmsg.WXMediaMessage$IMediaObject.type()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2485) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2545) at android.app.ActivityThread.access$1100(ActivityThread.java:151) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1396) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:157) at android.app.ActivityThread.main(ActivityThread.java:5601) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:774) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:652) Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'int com.tencent.mm.opensdk.modelmsg.WXMediaMessage$IMediaObject.type()' on a null object reference at com.tencent.mm.opensdk.modelmsg.SendMessageToWX$Req.checkArgs(Unknown Source) at com.tencent.mm.opensdk.openapi.BaseWXApiImplV10.sendReq(Unknown Source) at io.dcloud.share.mm.WeiXinMediator.exec(WeiXinMediator.java:52) at io.dcloud.ProcessMediator.onCreate(ProcessMediator.java:37) at android.app.Activity.performCreate(Activity.java:6355) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2438) ... 9 more java.lang.NullPointerException: Attempt to invoke interface method 'int com.tencent.mm.opensdk.modelmsg.WXMediaMessage$IMediaObject.type()' on a null object reference at com.tencent.mm.opensdk.modelmsg.SendMessageToWX$Req.checkArgs(Unknown Source) at com.tencent.mm.opensdk.openapi.BaseWXApiImplV10.sendReq(Unknown Source) at io.dcloud.share.mm.WeiXinMediator.exec(WeiXinMediator.java:52) at io.dcloud.ProcessMediator.onCreate(ProcessMediator.java:37) at android.app.Activity.performCreate(Activity.java:6355) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2438) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2545) at android.app.ActivityThread.access$1100(ActivityThread.java:151) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1396) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:157) at android.app.ActivityThread.main(ActivityThread.java:5601) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:774) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:652)

操作步骤：

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预期结果：

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实际结果：

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