Github user kfeagle commented on the issue:
https://github.com/apache/incubator-weex/pull/518
@mlcldh can you provide your demo and weexsdk version?
I find weexsdk judge _animationInfo.target in the code
https://github.com/apache/incubator-weex/blob/0.15-dev/ios/sdk/WeexSDK/Sources/Module/WXAnimationModule.m#L88
weex sdk
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