diff --git a/web/assets/js/model/xray.js b/web/assets/js/model/xray.js
index 59eda396..21b8156a 100644
--- a/web/assets/js/model/xray.js
+++ b/web/assets/js/model/xray.js
@@ -524,11 +524,11 @@ class SplitHTTPStreamSettings extends XrayCommonClass {
         scMinPostsIntervalMs = 30,
         noSSEHeader = false,
         xPaddingBytes = "100-1000",
-        xmux = { 
-            maxConnections: 0, 
-            maxConcurrency: 0, 
-            cMaxReuseTimes: 0, 
-            cMaxLifetimeMs: 0 
+        xmux = {
+            maxConnections: '',
+            maxConcurrency: '',
+            cMaxReuseTimes: 0,
+            cMaxLifetimeMs: 0
         }
     ) {
         super();
@@ -540,7 +540,7 @@ class SplitHTTPStreamSettings extends XrayCommonClass {
         this.scMinPostsIntervalMs = scMinPostsIntervalMs;
         this.noSSEHeader = noSSEHeader;
         this.xPaddingBytes = RandomUtil.convertXPaddingBytes(xPaddingBytes);
-        this.xmux = xmux;   
+        this.xmux = xmux;
     }
 
     addHeader(name, value) {
@@ -573,6 +573,15 @@ class SplitHTTPStreamSettings extends XrayCommonClass {
     }
 
     toJson() {
+        const xmuxData = {};
+        if (!ObjectUtil.isEmpty(this.xmux.maxConnections)) {
+            xmuxData.maxConnections = RandomUtil.convertXPaddingBytes(this.xmux.maxConnections);
+        }
+        if (!ObjectUtil.isEmpty(this.xmux.maxConcurrency)) {
+            xmuxData.maxConcurrency = RandomUtil.convertXPaddingBytes(this.xmux.maxConcurrency);
+        }
+        xmuxData.cMaxReuseTimes = RandomUtil.convertXPaddingBytes(this.xmux.cMaxReuseTimes);
+        xmuxData.cMaxLifetimeMs = RandomUtil.convertXPaddingBytes(this.xmux.cMaxLifetimeMs);
         return {
             path: this.path,
             host: this.host,
@@ -582,12 +591,7 @@ class SplitHTTPStreamSettings extends XrayCommonClass {
             scMinPostsIntervalMs: this.scMinPostsIntervalMs,
             noSSEHeader: this.noSSEHeader,
             xPaddingBytes: RandomUtil.convertXPaddingBytes(this.xPaddingBytes),
-            xmux: {
-                maxConnections: this.xmux.maxConnections,
-                maxConcurrency: this.xmux.maxConcurrency,
-                cMaxReuseTimes: this.xmux.cMaxReuseTimes,
-                cMaxLifetimeMs: this.xmux.cMaxLifetimeMs
-            }
+            xmux: xmuxData,
         };
     }
 }
diff --git a/web/html/xui/form/stream/stream_splithttp.html b/web/html/xui/form/stream/stream_splithttp.html
index 1399b84c..5928e443 100644
--- a/web/html/xui/form/stream/stream_splithttp.html
+++ b/web/html/xui/form/stream/stream_splithttp.html
@@ -48,17 +48,42 @@
         </span>
         <a-input v-model.trim="inbound.stream.splithttp.xPaddingBytes" style="width: 100px"></a-input>
     </a-form-item>
-    <a-form-item label="Max Connections">
-        <a-input-number v-model.trim="inbound.stream.splithttp.xmux.maxConnections" :min="0"></a-input-number>
+
+    <a-form-item>
+        <span slot="label">
+            Max Connections
+            <a-tooltip>
+                <template slot="title">
+                    maxConnections: 默认值为空 为0(即无限) 要打开的最大连接数，连接达到此值前核心会积极打开连接，对每一条流都新建一个连接，直到达到该值。
+                    然后核心会开始复用已经建立的连接。 与 maxConcurrency 冲突。
+                    所有字段类型均为 int/string 均支持固定值 16 或浮动值 "8-32" 的写法
+                </template>
+                <a-icon type="question-circle" theme="filled"></a-icon>
+            </a-tooltip>
+        </span>
+        <a-input v-model.trim="inbound.stream.splithttp.xmux.maxConnections" style="width: 100px"></a-input>
     </a-form-item>
-    <a-form-item label="Max Concurrency">
-        <a-input-number v-model.trim="inbound.stream.splithttp.xmux.maxConcurrency" :min="0"></a-input-number>
+
+    <a-form-item>
+        <span slot="label">
+            Max Concurrency
+            <a-tooltip>
+                <template slot="title">
+                   maxConcurrency: 默认值为空 为0(即无限) 每个连接中复用的流的最大数量，连接中流的数量达到该值后核心会新建更多连接以容纳更多的流，
+                   类似于 mux.cool 的 concurrency. 与 maxConnections 冲突。
+                   所有字段类型均为 int/string 均支持固定值 16 或浮动值 "8-32" 的写法
+                </template>
+                <a-icon type="question-circle" theme="filled"></a-icon>
+            </a-tooltip>
+        </span>
+        <a-input v-model.trim="inbound.stream.splithttp.xmux.maxConcurrency" style="width: 100px"></a-input>
     </a-form-item>
+
     <a-form-item label="Max Reuse Times">
-        <a-input-number v-model.trim="inbound.stream.splithttp.xmux.cMaxReuseTimes" :min="0"></a-input-number>
+        <a-input v-model.trim="inbound.stream.splithttp.xmux.cMaxReuseTimes" style="width: 100px"></a-input>
     </a-form-item>
     <a-form-item label="Max Lifetime (ms)">
-        <a-input-number v-model.trim="inbound.stream.splithttp.xmux.cMaxLifetimeMs" :min="0"></a-input-number>
+        <a-input v-model.trim="inbound.stream.splithttp.xmux.cMaxLifetimeMs" style="width: 100px"></a-input>
     </a-form-item>
 </a-form>
 {{end}}
\ No newline at end of file