ArgumentException: An item with the same key has already been added. Key: 

System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) (at <8ce0bd04a7a04b4b9395538239d3fdd8>:0)

System.Collections.Generic.Dictionary`2[TKey,TValue].Add (TKey key, TValue value) (at <8ce0bd04a7a04b4b9395538239d3fdd8>:0)

WeChatWASM.WXBaseAd..ctor (System.String id) (at <48240df04be24df68c92b6f9da5f4a57>:0)

WeChatWASM.WXCustomAd..ctor (System.String id, WeChatWASM.CustomStyle style) (at <48240df04be24df68c92b6f9da5f4a57>:0)

WeChatWASM.WXSDKManagerHandler.CreateCustomAd (WeChatWASM.WXCreateCustomAdParam param) (at <48240df04be24df68c92b6f9da5f4a57>:0)

WeChatWASM.WXBase.CreateCustomAd (WeChatWASM.WXCreateCustomAdParam param) (at Assets/WX-WASM-SDK-V2/Runtime/WXBase.cs:338)