fix https://github.com/jxxghp/MoviePilot-Frontend/issues/131

src/components/dialog/ReorganizeDialog.vue

@@ -73,7 +73,8 @@ const libraryDirectories = ref<MediaDirectory[]>([])
 
 // 目的目录下拉框
 const targetDirectories = computed(() => {
-  return libraryDirectories.value.map(item => item.path)
+  const directories = libraryDirectories.value.map(item => item.path)
+  return [...new Set(directories)]
 })
 
 watchEffect(() => {

src/components/dialog/SubscribeEditDialog.vue

@@ -184,7 +184,9 @@ async function loadDownloadDirectories() {
 
 // 保存目录下拉框
 const targetDirectories = computed(() => {
-  return downloadDirectories.value.map(item => item.path)
+  // 去重后的下载目录
+  const directories = downloadDirectories.value.map(item => item.path)
+  return [...new Set(directories)]
 })
 
 // 质量选择框数据