1·、分拆過程中遇到一個錯誤 ，搜了半天沒找到報錯元件，檢視日誌發現在swagger輸出頁面的時候報錯，進一步檢查startup裡面的程式碼，發現輸出路徑不對，修改路徑後解決

2020-06-16 10:52:27,770 || ERROR || Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware  || An unhandled exception has occurred while executing the request. || System.ArgumentNullException: Value cannot be null
 
.
Parameter name: stream
   at System.IO.StreamReader..ctor(Stream stream, Encoding encoding, Boolean detectEncodingFromByteOrderMarks, Int32 bufferSize, Boolean leaveOpen)
   at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIIndexMiddleware.RespondWithIndexHtml(HttpResponse response)
   at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIIndexMiddleware.Invoke(HttpContext httpContext)
   at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext)
   at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)
   at Microsoft.AspNetCore.Session.SessionMiddleware.Invoke(HttpContext context)
   at Microsoft.AspNetCore.Session.SessionMiddleware.Invoke(HttpContext context)
   at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)
   at Microsoft.AspNetCore.Builder.Extensions.MapMiddleware.Invoke(HttpContext context)
   at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)
 
 
||end 

//修改本名程式碼中的輸出路徑                
options.IndexStream = () => Assembly.GetExecutingAssembly().GetManifestResourceStream("Design.AllInOne.Core.Web.wwwroot.swagger.ui.index.html");