Spline actor level streaming will take a long time problem

Development World Creation
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1

When I using streaming level or world partition,I found try load spline actors in world will take a long time. Like this

Display      LogStreaming              UWorld::AddToWorld: updating components for /Memory/UEDPIE_0_Buidlings_L0_X-6_Y5_DL16E38A11 took (less than) 145.01 ms
Display      LogStreaming              UWorld::AddToWorld: updating components for /Memory/UEDPIE_0_Buidlings_L0_X-6_Y5_DL16E38A11 took (less than) 72.00 ms
Display      LogStreaming              UWorld::AddToWorld: updating components for /Memory/UEDPIE_0_Buidlings_L0_X-6_Y5_DL16E38A11 took (less than) 263.83 ms
Display      LogStreaming              UWorld::AddToWorld: updating components for /Memory/UEDPIE_0_Buidlings_L0_X-6_Y5_DL16E38A11 took (less than) 78.10 ms
Display      LogStreaming              UWorld::AddToWorld: updating components for /Memory/UEDPIE_0_Buidlings_L0_X-6_Y5_DL16E38A11 took (less than) 35.64 ms

Is there a way to fix this? There are many spline actors in the world due to the project

forgive my bad english

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2

Same thing here. Did you find any answers? I am hoping PCG spline mesh can solve this.

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