fix(task): refactor task module and fix reload stuck/error, fix some logic

internal/net/gphttp/server/error.go

@@ -3,6 +3,7 @@ package server
 import (
 	"context"
 	"errors"
+	"net"
 	"net/http"
 
 	"github.com/rs/zerolog"
@@ -10,7 +11,7 @@ import (
 
 func convertError(err error) error {
 	switch {
-	case err == nil, errors.Is(err, http.ErrServerClosed), errors.Is(err, context.Canceled):
+	case err == nil, errors.Is(err, http.ErrServerClosed), errors.Is(err, context.Canceled), errors.Is(err, net.ErrClosed):
 		return nil
 	default:
 		return err