How to package game with blank plugin

I creat a blank plugin, and it work well in PIE,but when I package,The Crashes Occur! How to solve this proble?
[2017.10.23-08.27.17:338][223]LogStreaming:Error: Couldn’t find file for package /Script/UdpPlugin requested by async loading code. NameToLoad: /Script/UdpPlugin
[2017.10.23-08.27.17:365][223]LogStreaming:Error: ****DumpDependencies [Dependencies]:
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Export 9 UdpActor_C
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Linker is …/…/…/CreateUdpPlugin/Content/UdpActor.uasset
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep S_BEFORE_S Import 12 UdpActor
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep S_BEFORE_S Export 7 UberGraphFrame (class StructProperty)
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep S_BEFORE_S Export 6 UserConstructionScript (class Function)
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep S_BEFORE_S Export 5 ReceiveTick (class Function)
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep S_BEFORE_S Export 3 ExecuteUbergraph_UdpActor (class Function)
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep S_BEFORE_S Export 0 DefaultSceneRoot (class ObjectProperty)
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep S_BEFORE_S Import 27 Default__UdpActor
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep C_BEFORE_S Export 12 SimpleConstructionScript_0 (class SimpleConstructionScript)
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep S_BEFORE_C Import 8 BlueprintGeneratedClass
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep S_BEFORE_C Import 0 Default__BlueprintGeneratedClass
[2017.10.23-08.27.17:365][223]LogStreaming:Error: Dep C_BEFORE_C Import 12 UdpActor