fix(remote download): slave canceled task error is not passed to master in non-debug mode (#2301)

pkg/downloader/slave/slave.go

@@ -5,7 +5,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"strings"
 
 	"github.com/cloudflare/cfssl/scan/crypto/sha1"
 	"github.com/cloudreve/Cloudreve/v4/application/constants"
@@ -95,7 +94,7 @@ func (s *slaveDownloader) Info(ctx context.Context, handle *downloader.TaskHandl
 	// 处理列取结果
 	if resp.Code != 0 {
 		err = serializer.NewErrorFromResponse(resp)
-		if strings.Contains(err.Error(), downloader.ErrTaskNotFount.Error()) {
+		if resp.Code == serializer.CodeNotFound {
 			return nil, fmt.Errorf("%s (%w)", err.Error(), downloader.ErrTaskNotFount)
 		}
 		return nil, err

routers/controllers/slave.go

@@ -1,6 +1,7 @@
 package controllers
 
 import (
+	"errors"
 	"fmt"
 
 	"github.com/cloudreve/Cloudreve/v4/pkg/cluster"
@@ -146,6 +147,12 @@ func SlaveDownloadTaskStatus(c *gin.Context) {
 	d := c.MustGet(downloader.DownloaderCtxKey).(downloader.Downloader)
 	info, err := d.Info(c, service.Handle)
 	if err != nil {
+		if errors.Is(err, downloader.ErrTaskNotFount) {
+			c.JSON(200, serializer.NewError(serializer.CodeNotFound, "task not found", err))
+			c.Abort()
+			return
+		}
+
 		c.JSON(200, serializer.Err(c, err))
 		c.Abort()
 		return