引用6楼的内容:
Tools->Options->Debugger->CDB, In the Symbol paths field, open the Insert menu and select Symbol Server, just use default value and click OK
Tools->Options->Debugger->General, in Source Paths Mapping part, click Add, set Source path field to q:\qt5_workdir\w\s and Target path field to C:\Qt\Qt5.0.1\5.0.1\Src