add support goroutine pprof

@@ -156,7 +156,7 @@ func FilterPrefixPath(path string, filter http.HandlerFunc) *App {
 func Run() {
 	if PprofOn {
 		BeeApp.RegisterController(`/debug/pprof`, &ProfController{})
-		BeeApp.RegisterController(`/debug/pprof/:pp([\w+])`, &ProfController{})
+		BeeApp.RegisterController(`/debug/pprof/:pp([\w]+)`, &ProfController{})
 	}
 	BeeApp.Run()
 }

@@ -18,5 +18,8 @@ func (this *ProfController) Get() {
 		pprof.Profile(this.Ctx.ResponseWriter, this.Ctx.Request)
 	} else if ptype == "symbol" {
 		pprof.Symbol(this.Ctx.ResponseWriter, this.Ctx.Request)
+	} else {
+		pprof.Index(this.Ctx.ResponseWriter, this.Ctx.Request)
 	}
+	this.Ctx.ResponseWriter.WriteHeader(200)
 }