diff --git a/internal/web/actions/default/servers/components/cache/createPopup.go b/internal/web/actions/default/servers/components/cache/createPopup.go
index a9df413f..08d497de 100644
--- a/internal/web/actions/default/servers/components/cache/createPopup.go
+++ b/internal/web/actions/default/servers/components/cache/createPopup.go
@@ -41,6 +41,7 @@ func (this *CreatePopupAction) RunPost(params struct {
 	MaxSizeJSON          []byte
 	FetchTimeoutJSON     []byte
 	SyncCompressionCache bool
+	EnableMMAP           bool
 
 	Description string
 	IsOn        bool
@@ -97,6 +98,7 @@ func (this *CreatePopupAction) RunPost(params struct {
 			OpenFileCache:  openFileCacheConfig,
 			EnableSendfile: params.FileEnableSendfile,
 			MinFreeSize:    minFreeSize,
+			EnableMMAP:     params.EnableMMAP,
 		}
 	case serverconfigs.CachePolicyStorageMemory:
 		options = &serverconfigs.HTTPMemoryCacheStorage{}
diff --git a/internal/web/actions/default/servers/components/cache/update.go b/internal/web/actions/default/servers/components/cache/update.go
index 49c51fff..e2f3238e 100644
--- a/internal/web/actions/default/servers/components/cache/update.go
+++ b/internal/web/actions/default/servers/components/cache/update.go
@@ -40,13 +40,23 @@ func (this *UpdateAction) RunGet(params struct {
 		return
 	}
 
-	// fix min free size
 	if cachePolicy.Type == serverconfigs.CachePolicyStorageFile && cachePolicy.Options != nil {
-		_, ok := cachePolicy.Options["minFreeSize"]
-		if !ok {
-			cachePolicy.Options["minFreeSize"] = &shared.SizeCapacity{
-				Count: 0,
-				Unit:  shared.SizeCapacityUnitGB,
+		// fix min free size
+		{
+			_, ok := cachePolicy.Options["minFreeSize"]
+			if !ok {
+				cachePolicy.Options["minFreeSize"] = &shared.SizeCapacity{
+					Count: 0,
+					Unit:  shared.SizeCapacityUnitGB,
+				}
+			}
+		}
+
+		// fix enableMMAP
+		{
+			_, ok := cachePolicy.Options["enableMMAP"]
+			if !ok {
+				cachePolicy.Options["enableMMAP"] = true
 			}
 		}
 	}
@@ -77,6 +87,8 @@ func (this *UpdateAction) RunPost(params struct {
 	SyncCompressionCache bool
 	FetchTimeoutJSON     []byte
 
+	EnableMMAP bool
+
 	Description string
 	IsOn        bool
 
@@ -137,6 +149,7 @@ func (this *UpdateAction) RunPost(params struct {
 			OpenFileCache:  openFileCacheConfig,
 			EnableSendfile: params.FileEnableSendfile,
 			MinFreeSize:    minFreeSize,
+			EnableMMAP:     params.EnableMMAP,
 		}
 	case serverconfigs.CachePolicyStorageMemory:
 		options = &serverconfigs.HTTPMemoryCacheStorage{}
diff --git a/web/views/@default/servers/components/cache/createPopup.html b/web/views/@default/servers/components/cache/createPopup.html
index 43fa1d96..909d6491 100644
--- a/web/views/@default/servers/components/cache/createPopup.html
+++ b/web/views/@default/servers/components/cache/createPopup.html
@@ -70,6 +70,13 @@
                     <p class="comment">缓存磁盘保留的最小空余空间，如果为0表示自动限制（目前默认保留5GiB）。</p>
                 </td>
             </tr>
+            <tr v-show="moreOptionsVisible && policyType == 'file' && teaIsPlus">
+                <td class="color-border">启用MMAP</td>
+                <td>
+                    <checkbox name="enableMMAP" checked="checked"></checkbox>
+                    <p class="comment">选中后，表示允许系统自动利用MMAP提升缓存读取性能。</p>
+                </td>
+            </tr>
             <tr>
                 <td class="color-border">缓存文件句柄缓存</td>
                 <td>
diff --git a/web/views/@default/servers/components/cache/policy.html b/web/views/@default/servers/components/cache/policy.html
index e47fdd0f..0074bcf9 100644
--- a/web/views/@default/servers/components/cache/policy.html
+++ b/web/views/@default/servers/components/cache/policy.html
@@ -46,6 +46,13 @@
                 <a :href="Tea.url('.update', {cachePolicyId:cachePolicy.id})"><span class="red">请设置一个内存容量作为缓冲区，以提升缓存写入性能。</span></a>
             </td>
         </tr>
+        <tr v-if="cachePolicy.options != null && teaIsPlus">
+            <td class="color-border">启用MMAP</td>
+            <td>
+                <span class="green" v-if="cachePolicy.options.enableMMAP || cachePolicy.options.enableMMAP == null">Y</span>
+                <span class="disabled" v-else>N</span>
+            </td>
+        </tr>
         <tr v-if="cachePolicy.options.openFileCache != null && cachePolicy.options.openFileCache.isOn && cachePolicy.options.openFileCache.max > 0">
             <td class="color-border">缓存文件句柄缓存</td>
             <td>{{cachePolicy.options.openFileCache.max}}</td>
diff --git a/web/views/@default/servers/components/cache/update.html b/web/views/@default/servers/components/cache/update.html
index 2117cd1f..850b07f3 100644
--- a/web/views/@default/servers/components/cache/update.html
+++ b/web/views/@default/servers/components/cache/update.html
@@ -77,6 +77,13 @@
                         <p class="comment">缓存磁盘保留的最小空余空间，如果为0表示使用默认（目前默认保留5GiB）。</p>
                     </td>
                 </tr>
+                <tr v-show="teaIsPlus">
+                    <td class="color-border">启用MMAP</td>
+                    <td>
+                        <checkbox name="enableMMAP" v-model="cachePolicy.options.enableMMAP"></checkbox>
+                        <p class="comment">选中后，表示允许系统自动利用MMAP提升缓存读取性能。</p>
+                    </td>
+                </tr>
                 <tr>
                     <td class="color-border">缓存文件句柄缓存</td>
                     <td>