diff --git a/app/controllers/activityController/delete.go b/app/controllers/activityController/delete.go
index 83a8235..7e3268c 100644
--- a/app/controllers/activityController/delete.go
+++ b/app/controllers/activityController/delete.go
@@ -43,14 +43,7 @@ func DeleteActivity(c *gin.Context) {
 	}
 
 	// 删除活动对应的图片
-	objectKey, ok := objectService.GetObjectKeyFromUrl(activity.Img)
-	if ok {
-		err = objectService.DeleteObject(objectKey)
-		if err != nil {
-			apiException.AbortWithException(c, apiException.ServerError, err)
-			return
-		}
-	}
+	objectService.DeleteObjectByUrlAsync(activity.Img)
 
 	err = activityService.DeleteActivityById(data.ID)
 	if err != nil {
diff --git a/app/controllers/activityController/update.go b/app/controllers/activityController/update.go
index bd94668..23ea8ec 100644
--- a/app/controllers/activityController/update.go
+++ b/app/controllers/activityController/update.go
@@ -7,6 +7,7 @@ import (
 	"4u-go/app/apiException"
 	"4u-go/app/models"
 	"4u-go/app/services/activityService"
+	"4u-go/app/services/objectService"
 	"4u-go/app/utils"
 	"github.com/gin-gonic/gin"
 	"gorm.io/gorm"
@@ -61,6 +62,10 @@ func UpdateActivity(c *gin.Context) {
 		return
 	}
 
+	if data.Img != activity.Img { // 若图片更换则删除旧图片
+		objectService.DeleteObjectByUrlAsync(activity.Img)
+	}
+
 	{ // 更新活动信息
 		activity.Title = data.Title
 		activity.Introduction = data.Introduction
diff --git a/app/controllers/objectController/upload.go b/app/controllers/objectController/upload.go
index bb3805b..900ec9f 100644
--- a/app/controllers/objectController/upload.go
+++ b/app/controllers/objectController/upload.go
@@ -9,6 +9,7 @@ import (
 	"4u-go/app/services/objectService"
 	"4u-go/app/utils"
 	"github.com/gin-gonic/gin"
+	"go.uber.org/zap"
 )
 
 type uploadFileData struct {
@@ -35,8 +36,7 @@ func UploadFile(c *gin.Context) {
 	defer func(file multipart.File) {
 		err := file.Close()
 		if err != nil {
-			apiException.AbortWithException(c, apiException.ServerError, err)
-			return
+			zap.L().Error("文件流关闭错误", zap.Error(err))
 		}
 	}(file)
 
diff --git a/app/services/objectService/minioObjectService.go b/app/services/objectService/minioObjectService.go
index 00ed5c6..49cee37 100644
--- a/app/services/objectService/minioObjectService.go
+++ b/app/services/objectService/minioObjectService.go
@@ -2,12 +2,13 @@ package objectService
 
 import (
 	"context"
+	"fmt"
 	"io"
 	"strings"
 
 	"4u-go/config/objectStorage"
 	"github.com/minio/minio-go/v7"
-	"github.com/pkg/errors"
+	"go.uber.org/zap"
 )
 
 // ms 是全局的 MinioService 实例
@@ -47,7 +48,20 @@ func DeleteObject(objectKey string) error {
 		minio.RemoveObjectOptions{ForceDelete: true},
 	)
 	if err != nil {
-		return errors.New("failed to delete object from bucket")
+		return fmt.Errorf("failed to delete object: %w", err)
 	}
 	return nil
 }
+
+// DeleteObjectByUrlAsync 通过给定的 Url 异步删除对象
+func DeleteObjectByUrlAsync(url string) {
+	objectKey, ok := GetObjectKeyFromUrl(url)
+	if ok {
+		go func(objectKey string) {
+			err := DeleteObject(objectKey)
+			if err != nil {
+				zap.L().Error("Minio 删除对象错误", zap.String("objectKey", objectKey), zap.Error(err))
+			}
+		}(objectKey)
+	}
+}