重现步骤

使用项目模板创建项目
添加二级菜单，导航到二级菜单选项页面，刷新页面，报错

报错信息

Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
Unhandled exception rendering component: Event 31 is already tracked
Error: Event 31 is already tracked
at e.update (http://localhost:50855/_framework/blazor.webassembly.js:1:42982)
at e.setListener (http://localhost:50855/_framework/blazor.webassembly.js:1:40575)
at e.applyAttribute (http://localhost:50855/_framework/blazor.webassembly.js:1:36864)
at e.applyEdits (http://localhost:50855/_framework/blazor.webassembly.js:1:33290)
at e.updateComponent (http://localhost:50855/_framework/blazor.webassembly.js:1:32271)
at Object.t.renderBatch (http://localhost:50855/_framework/blazor.webassembly.js:1:12134)
at Object.window.Blazor._internal.renderBatch (http://localhost:50855/_framework/blazor.webassembly.js:1:61913)
at Object.w [as invokeJSFromDotNet] (http://localhost:50855/_framework/blazor.webassembly.js:1:64435)
at _mono_wasm_invoke_js_blazor (http://localhost:50855/_framework/dotnet.5.0.9.js:1:190800)
at wasm_invoke_iiiiii (:wasm-function[5611]:0xdda7f)
Microsoft.JSInterop.JSException: Event 31 is already tracked
Error: Event 31 is already tracked
at e.update (http://localhost:50855/_framework/blazor.webassembly.js:1:42982)
at e.setListener (http://localhost:50855/_framework/blazor.webassembly.js:1:40575)
at e.applyAttribute (http://localhost:50855/_framework/blazor.webassembly.js:1:36864)
at e.applyEdits (http://localhost:50855/_framework/blazor.webassembly.js:1:33290)
at e.updateComponent (http://localhost:50855/_framework/blazor.webassembly.js:1:32271)
at Object.t.renderBatch (http://localhost:50855/_framework/blazor.webassembly.js:1:12134)
at Object.window.Blazor._internal.renderBatch (http://localhost:50855/_framework/blazor.webassembly.js:1:61913)
at Object.w [as invokeJSFromDotNet] (http://localhost:50855/_framework/blazor.webassembly.js:1:64435)
at _mono_wasm_invoke_js_blazor (http://localhost:50855/_framework/dotnet.5.0.9.js:1:190800)
at wasm_invoke_iiiiii (:wasm-function[5611]:0xdda7f)
at Microsoft.JSInterop.WebAssembly.WebAssemblyJSRuntime.InvokeUnmarshalled[Int32,RenderBatch,Object,Object](String identifier, Int32 arg0, RenderBatch arg1, Object arg2, Int64 targetInstanceId)
at Microsoft.JSInterop.WebAssembly.WebAssemblyJSRuntime.InvokeUnmarshalled[Int32,RenderBatch,Object](String identifier, Int32 arg0, RenderBatch arg1)
at Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer.UpdateDisplayAsync(RenderBatch& batch)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.ProcessRenderQueue()

组件版本

latest

浏览器

all

运行模式

• Server Side
• Web Assembly