解决方案:
web.config中添加如下
            
            
              csharp
              
              
            
          
           <system.webServer>
      <modules runAllManagedModulesForAllRequests="true">
         <remove name="WebDAVModule" />
      </modules>
      <handlers>
        <add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModuleV2" resourceType="Unspecified" />
      </handlers>
      <aspNetCore processPath="dotnet" arguments=".\Erp.Api.dll" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" hostingModel="inprocess" />
   </system.webServer>
        只需要把WebDAVModule删除即可
            
            
              csharp
              
              
            
          
           <modules runAllManagedModulesForAllRequests="true">
         <remove name="WebDAVModule" />
      </modules>