diff --git a/web/public/js/components/server/firewall-syn-flood-config-box.js b/web/public/js/components/server/firewall-syn-flood-config-box.js
index b689d229..e3c56930 100644
--- a/web/public/js/components/server/firewall-syn-flood-config-box.js
+++ b/web/public/js/components/server/firewall-syn-flood-config-box.js
@@ -48,7 +48,7 @@ Vue.component("firewall-syn-flood-config-box", {
 	<input type="hidden" name="synFloodJSON" :value="JSON.stringify(config)"/>
 	<a href="" @click.prevent="edit">
 		<span v-if="config.isOn">
-			已启用 / <span>空连接次数：{{config.minAttempts}}次/分钟</span> / 封禁时间：{{config.timeoutSeconds}}秒 <span v-if="config.ignoreLocal">/ 忽略局域网访问</span>
+			已启用 / <span>空连接次数：{{config.minAttempts}}次/分钟</span> / 封禁时长：{{config.timeoutSeconds}}秒 <span v-if="config.ignoreLocal">/ 忽略局域网访问</span>
 		</span>
 		<span v-else>未启用</span>
 		<i class="icon angle" :class="{up: isEditing, down: !isEditing}"></i>
@@ -73,7 +73,7 @@ Vue.component("firewall-syn-flood-config-box", {
 			</td>
 		</tr>
 		<tr>
-			<td>封禁时间</td>
+			<td>封禁时长</td>
 			<td>
 				<div class="ui input right labeled">
 					<input type="text" v-model="timeoutSeconds" style="width: 5em" maxlength="8"/>
diff --git a/web/public/js/components/server/firewall-syn-flood-config-viewer.js b/web/public/js/components/server/firewall-syn-flood-config-viewer.js
index a7e64075..f2f98aab 100644
--- a/web/public/js/components/server/firewall-syn-flood-config-viewer.js
+++ b/web/public/js/components/server/firewall-syn-flood-config-viewer.js
@@ -16,7 +16,7 @@ Vue.component("firewall-syn-flood-config-viewer", {
 	},
 	template: `<div>
 	<span v-if="config.isOn">
-		已启用 / <span>空连接次数：{{config.minAttempts}}次/分钟</span> / 封禁时间：{{config.timeoutSeconds}}秒 <span v-if="config.ignoreLocal">/ 忽略局域网访问</span>
+		已启用 / <span>空连接次数：{{config.minAttempts}}次/分钟</span> / 封禁时长：{{config.timeoutSeconds}}秒 <span v-if="config.ignoreLocal">/ 忽略局域网访问</span>
 	</span>
 	<span v-else>未启用</span>
 </div>`
diff --git a/web/public/js/components/server/http-firewall-actions-box.js b/web/public/js/components/server/http-firewall-actions-box.js
index 9251495a..d614ce24 100644
--- a/web/public/js/components/server/http-firewall-actions-box.js
+++ b/web/public/js/components/server/http-firewall-actions-box.js
@@ -643,7 +643,7 @@ Vue.component("http-firewall-actions-box", {
 			
 			<!-- block -->
 			<tr v-if="actionCode == 'block'">
-				<td>封锁时间</td>
+				<td>封禁时长</td>
 				<td>
 					<div class="ui input right labeled">
 						<input type="text" style="width: 5em" maxlength="9" v-model="blockTimeout" @keyup.enter="confirm()" @keypress.enter.prevent="1"/>
@@ -652,14 +652,14 @@ Vue.component("http-firewall-actions-box", {
 				</td>
 			</tr>
 			<tr v-if="actionCode == 'block'">
-				<td>封锁范围</td>
+				<td>封禁范围</td>
 				<td>
 					<select class="ui dropdown auto-width" v-model="blockScope">
 						<option value="service">当前服务</option>
 						<option value="global">所有服务</option>
 					</select>
-					<p class="comment" v-if="blockScope == 'service'">只封锁用户对当前网站服务的访问，其他服务不受影响。</p>
-					<p class="comment" v-if="blockScope =='global'">封锁用户对所有网站服务的访问。</p>
+					<p class="comment" v-if="blockScope == 'service'">只封禁用户对当前网站服务的访问，其他服务不受影响。</p>
+					<p class="comment" v-if="blockScope =='global'">封禁用户对所有网站服务的访问。</p>
 				</td>
 			</tr>
 			
diff --git a/web/public/js/components/server/http-firewall-block-options-viewer.js b/web/public/js/components/server/http-firewall-block-options-viewer.js
index 6832068d..b128da6a 100644
--- a/web/public/js/components/server/http-firewall-block-options-viewer.js
+++ b/web/public/js/components/server/http-firewall-block-options-viewer.js
@@ -8,7 +8,7 @@ Vue.component("http-firewall-block-options-viewer", {
 	template: `<div>
 	<span v-if="options == null">默认设置</span>
 	<div v-else>
-		状态码：{{options.statusCode}} / 提示内容：<span v-if="options.body != null && options.body.length > 0">[{{options.body.length}}字符]</span><span v-else class="disabled">[无]</span>  / 超时时间：{{options.timeout}}秒
+		状态码：{{options.statusCode}} / 提示内容：<span v-if="options.body != null && options.body.length > 0">[{{options.body.length}}字符]</span><span v-else class="disabled">[无]</span>  / 超时时间：{{options.timeout}}秒 <span v-if="options.timeoutMax > options.timeout">/ 最大封禁时长：{{options.timeoutMax}}秒</span>
 	</div>
 </div>	
 `
diff --git a/web/public/js/components/server/http-firewall-block-options.js b/web/public/js/components/server/http-firewall-block-options.js
index 3ff7b0bb..7d3b0538 100644
--- a/web/public/js/components/server/http-firewall-block-options.js
+++ b/web/public/js/components/server/http-firewall-block-options.js
@@ -5,6 +5,7 @@ Vue.component("http-firewall-block-options", {
 			blockOptions: this.vBlockOptions,
 			statusCode: this.vBlockOptions.statusCode,
 			timeout: this.vBlockOptions.timeout,
+			timeoutMax: this.vBlockOptions.timeoutMax,
 			isEditing: false
 		}
 	},
@@ -24,6 +25,14 @@ Vue.component("http-firewall-block-options", {
 			} else {
 				this.blockOptions.timeout = timeout
 			}
+		},
+		timeoutMax: function (v) {
+			let timeoutMax = parseInt(v)
+			if (isNaN(timeoutMax)) {
+				this.blockOptions.timeoutMax = 0
+			} else {
+				this.blockOptions.timeoutMax = timeoutMax
+			}
 		}
 	},
 	methods: {
@@ -33,7 +42,9 @@ Vue.component("http-firewall-block-options", {
 	},
 	template: `<div>
 	<input type="hidden" name="blockOptionsJSON" :value="JSON.stringify(blockOptions)"/>
-	<a href="" @click.prevent="edit">状态码：{{statusCode}} / 提示内容：<span v-if="blockOptions.body != null && blockOptions.body.length > 0">[{{blockOptions.body.length}}字符]</span><span v-else class="disabled">[无]</span>  / 超时时间：{{timeout}}秒 <i class="icon angle" :class="{up: isEditing, down: !isEditing}"></i></a>
+	<a href="" @click.prevent="edit">状态码：{{statusCode}} / 提示内容：<span v-if="blockOptions.body != null && blockOptions.body.length > 0">[{{blockOptions.body.length}}字符]</span><span v-else class="disabled">[无]</span> <span v-if="timeout > 0"> / 封禁时长：{{timeout}}秒</span>
+	 <span v-if="timeoutMax > timeout"> / 最大封禁时长：{{timeoutMax}}秒</span>
+	 <i class="icon angle" :class="{up: isEditing, down: !isEditing}"></i></a>
 	<table class="ui table" v-show="isEditing">
 		<tr>
 			<td class="title">状态码</td>
@@ -48,13 +59,23 @@ Vue.component("http-firewall-block-options", {
 			</td>
 		</tr>
 		<tr>
-			<td>超时时间</td>
+			<td>封禁时长</td>
 			<td>
 				<div class="ui input right labeled">
 					<input type="text" v-model="timeout" style="width: 5em" maxlength="6"/>
 					<span class="ui label">秒</span>
 				</div>
-				<p class="comment">触发阻止动作时，封锁客户端IP的时间。</p>
+				<p class="comment">触发阻止动作时，封禁客户端IP的时间。</p>
+			</td>
+		</tr>
+		<tr>
+			<td>最大封禁时长</td>
+			<td>
+				<div class="ui input right labeled">
+					<input type="text" v-model="timeoutMax" style="width: 5em" maxlength="6"/>
+					<span class="ui label">秒</span>
+				</div>
+				<p class="comment">如果最大封禁时长大于封禁时长（{{timeout}}秒），那么表示每次封禁的时候，将会在这两个时长数字之间随机选取一个数字作为最终的封禁时长。</p>
 			</td>
 		</tr>
 	</table>