个别手机下打开应用初始化MSDK后，就提示Method addObserver must be called on ...

个别手机下打开应用初始化MSDK后，就提示Method addObserver must be called on the main thread；关键我注释了registerApp还是报错，很奇怪，这个bug也是偶然发现，，但只要一出现就不断触发：详细如下11-18 15:41:24.559 9961 10241 E AndroidRuntime: java.lang.IllegalStateException: Method addObserver must be called on the main thread 14711-18 15:41:24.559 9961 10241 E AndroidRuntime: at androidx.lifecycle.LifecycleRegistry.enforceMainThreadIfNeeded(LifecycleRegistry.java:317) 14811-18 15:41:24.559 9961 10241 E AndroidRuntime: at androidx.lifecycle.LifecycleRegistry.addObserver(LifecycleRegistry.java:172) 14911-18 15:41:24.559 9961 10241 E AndroidRuntime: at dji.sdk.sdkmanager.DJISDKManager.initParams(Unknown Source:192) 15011-18 15:41:24.559 9961 10241 E AndroidRuntime: at dji.sdk.sdkmanager.DJISDKManager.initSDKManager(Unknown Source:12) 15111-18 15:41:24.559 9961 10241 E AndroidRuntime: at dji.sdk.sdkmanager.DJISDKManager.registerApp(Unknown Source:42) 15211-18 15:41:24.559 9961 10241 E AndroidRuntime: at dji.sdk.sdkmanager.DJISDKManager.access$800(Unknown Source:0) 15311-18 15:41:24.559 9961 10241 E AndroidRuntime: at dji.sdk.sdkmanager.DJISDKManager$6$1.onDownloadSuccess(Unknown Source:8) 15411-18 15:41:24.559 9961 10241 E AndroidRuntime: at dji.internal.ghu.ghu.fdd(Unknown Source:19) 15511-18 15:41:24.559 9961 10241 E AndroidRuntime: at dji.sdk.sdkmanager.DJISDKManager$6.run(Unknown Source:37) 15611-18 15:41:24.559 9961 10241 E AndroidRuntime: at dji.sdksharedlib.gfd.koy.run(Unknown Source:5) 15711-18 15:41:24.559 9961 10241 E AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162) 15811-18 15:41:24.559 9961 10241 E AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) 15911-18 15:41:24.559 9961 10241 E AndroidRuntime: at java.lang.Thread.run(Thread.java:764)