diff --git a/rest/matter_controller.go b/rest/matter_controller.go
index 1162cb2..9f0e5c8 100644
--- a/rest/matter_controller.go
+++ b/rest/matter_controller.go
@@ -14,6 +14,7 @@ type MatterController struct {
 	matterDao        *MatterDao
 	matterService    *MatterService
 	downloadTokenDao *DownloadTokenDao
+	imageCacheDao    *ImageCacheDao
 }
 
 //初始化方法
@@ -36,6 +37,11 @@ func (this *MatterController) Init() {
 		this.downloadTokenDao = b
 	}
 
+	b = CONTEXT.GetBean(this.imageCacheDao)
+	if b, ok := b.(*ImageCacheDao); ok {
+		this.imageCacheDao = b
+	}
+
 }
 
 //注册自己的路由。
@@ -430,6 +436,11 @@ func (this *MatterController) Rename(writer http.ResponseWriter, request *http.R
 	matter.Name = name
 	matter = this.matterDao.Save(matter)
 
+	//删除对应的缓存图片。
+	if !matter.Dir {
+		this.imageCacheDao.DeleteByMatterUuid(matter.Uuid)
+	}
+
 	return this.Success(matter)
 }