diff --git a/internal/web/actions/default/clusters/cluster/node/settings/cache/index.go b/internal/web/actions/default/clusters/cluster/node/settings/cache/index.go
index bc493651..0c98ef5a 100644
--- a/internal/web/actions/default/clusters/cluster/node/settings/cache/index.go
+++ b/internal/web/actions/default/clusters/cluster/node/settings/cache/index.go
@@ -7,6 +7,7 @@ import (
 	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
 	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/default/clusters/cluster/node/nodeutils"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
 	"github.com/iwind/TeaGo/actions"
 	"github.com/iwind/TeaGo/maps"
@@ -57,9 +58,19 @@ func (this *IndexAction) RunGet(params struct {
 		}
 	}
 
+	var diskSubDirs = []*serverconfigs.CacheDir{}
+	if len(node.CacheDiskSubDirsJSON) > 0 {
+		err = json.Unmarshal(node.CacheDiskSubDirsJSON, &diskSubDirs)
+		if err != nil {
+			this.ErrorPage(err)
+			return
+		}
+	}
+
 	var nodeMap = this.Data["node"].(maps.Map)
 	nodeMap["maxCacheDiskCapacity"] = maxCacheDiskCapacity
 	nodeMap["cacheDiskDir"] = node.CacheDiskDir
+	nodeMap["cacheDiskSubDirs"] = diskSubDirs
 	nodeMap["maxCacheMemoryCapacity"] = maxCacheMemoryCapacity
 
 	this.Show()
@@ -69,6 +80,7 @@ func (this *IndexAction) RunPost(params struct {
 	NodeId                     int64
 	MaxCacheDiskCapacityJSON   []byte
 	CacheDiskDir               string
+	CacheDiskSubDirsJSON       []byte
 	MaxCacheMemoryCapacityJSON []byte
 
 	Must *actions.Must
@@ -105,10 +117,20 @@ func (this *IndexAction) RunPost(params struct {
 		}
 	}
 
+	if len(params.CacheDiskSubDirsJSON) > 0 {
+		var cacheSubDirs = []*serverconfigs.CacheDir{}
+		err := json.Unmarshal(params.CacheDiskSubDirsJSON, &cacheSubDirs)
+		if err != nil {
+			this.ErrorPage(err)
+			return
+		}
+	}
+
 	_, err := this.RPC().NodeRPC().UpdateNodeCache(this.AdminContext(), &pb.UpdateNodeCacheRequest{
 		NodeId:                 params.NodeId,
 		MaxCacheDiskCapacity:   pbMaxCacheDiskCapacity,
 		CacheDiskDir:           params.CacheDiskDir,
+		CacheDiskSubDirsJSON:   params.CacheDiskSubDirsJSON,
 		MaxCacheMemoryCapacity: pbMaxCacheMemoryCapacity,
 	})
 	if err != nil {
diff --git a/web/public/js/components/node/node-cache-disk-dirs-box.js b/web/public/js/components/node/node-cache-disk-dirs-box.js
new file mode 100644
index 00000000..9c8a594a
--- /dev/null
+++ b/web/public/js/components/node/node-cache-disk-dirs-box.js
@@ -0,0 +1,79 @@
+Vue.component("node-cache-disk-dirs-box", {
+	props: ["value", "name"],
+	data: function () {
+		let dirs = this.value
+		if (dirs == null) {
+			dirs = []
+		}
+		return {
+			dirs: dirs,
+
+			isEditing: false,
+			isAdding: false,
+
+			addingPath: ""
+		}
+	},
+	methods: {
+		add: function () {
+			this.isAdding = true
+			let that = this
+			setTimeout(function () {
+				that.$refs.addingPath.focus()
+			}, 100)
+		},
+		confirm: function () {
+			let addingPath = this.addingPath.trim()
+			if (addingPath.length == 0) {
+				let that = this
+				teaweb.warn("请输入要添加的缓存目录", function () {
+					that.$refs.addingPath.focus()
+				})
+				return
+			}
+			if (addingPath[0] != "/") {
+				addingPath = "/" + addingPath
+			}
+			this.dirs.push({
+				path: addingPath
+			})
+			this.cancel()
+		},
+		cancel: function () {
+			this.addingPath = ""
+			this.isAdding = false
+			this.isEditing = false
+		},
+		remove: function (index) {
+			let that = this
+			teaweb.confirm("确定要删除此目录吗？", function () {
+				that.dirs.$remove(index)
+			})
+		}
+	},
+	template: `<div>
+	<input type="hidden" :name="name" :value="JSON.stringify(dirs)"/>
+	<div style="margin-bottom: 0.3em">
+		<span class="ui label small basic" v-for="(dir, index) in dirs">
+			<i class="icon folder"></i>{{dir.path}}  &nbsp;  <a href="" title="删除" @click.prevent="remove(index)"><i class="icon remove small"></i></a>
+		</span>
+	</div>
+	
+	<!-- 添加 -->
+	<div v-if="isAdding">
+		<div class="ui fields inline">
+			<div class="ui field">
+				<input type="text" style="width: 30em" v-model="addingPath" @keyup.enter="confirm()" @keypress.enter.prevent="1" @keydown.esc="cancel()" ref="addingPath" placeholder="新的缓存目录，比如 /mnt/cache"/>
+			</div>
+			<div class="ui field">
+				<button class="ui button small" type="button" @click.prevent="confirm">确定</button>
+				&nbsp; <a href="" title="取消" @click.prevent="cancel"><i class="icon remove small"></i></a>
+			</div>
+		</div>
+	</div>
+	
+	<div v-if="!isAdding">
+		<button class="ui button tiny" type="button" @click.prevent="add">+</button>
+	</div>
+</div>`
+})
\ No newline at end of file
diff --git a/web/views/@default/clusters/cluster/node/settings/cache/index.html b/web/views/@default/clusters/cluster/node/settings/cache/index.html
index 13000dce..3fdc2d9d 100644
--- a/web/views/@default/clusters/cluster/node/settings/cache/index.html
+++ b/web/views/@default/clusters/cluster/node/settings/cache/index.html
@@ -15,10 +15,17 @@
                 </td>
             </tr>
             <tr>
-                <td>磁盘缓存目录</td>
+                <td>磁盘缓存主目录</td>
                 <td>
                     <input type="text" name="cacheDiskDir" maxlength="500" value="" v-model="node.cacheDiskDir"/>
-                    <p class="comment">存放文件缓存的目录，通常填写绝对路径。不填则表示使用集群缓存策略中定义的目录。</p>
+                    <p class="comment">存放文件缓存的主目录，通常填写绝对路径。不填则表示使用集群缓存策略中定义的目录。</p>
+                </td>
+            </tr>
+            <tr>
+                <td>其他磁盘缓存目录</td>
+                <td>
+                    <node-cache-disk-dirs-box name="cacheDiskSubDirsJSON" v-model="node.cacheDiskSubDirs"></node-cache-disk-dirs-box>
+                    <p class="comment">除了主目录外，可以在这里添加别的可用于缓存的目录；缓存目录有变更时（添加、删除或修改）需要手动将这些缓存目录清空。</p>
                 </td>
             </tr>
             <tr>