diff --git a/web/assets/js/model/inbound.js b/web/assets/js/model/inbound.js
index 5d167ead..4eeb1964 100644
--- a/web/assets/js/model/inbound.js
+++ b/web/assets/js/model/inbound.js
@@ -1830,6 +1830,16 @@ class Inbound extends XrayCommonClass {
         if (this.stream.tls.settings.echConfigList?.length > 0) params.set("ech", this.stream.tls.settings.echConfigList.join(','));
         if (this.stream.tls.sni?.length > 0) params.set("sni", this.stream.tls.sni);
 
+        const udpMasks = this.stream?.finalmask?.udp;
+        if (Array.isArray(udpMasks)) {
+            const salamanderMask = udpMasks.find(mask => mask?.type === 'salamander');
+            const obfsPassword = salamanderMask?.settings?.password;
+            if (typeof obfsPassword === 'string' && obfsPassword.length > 0) {
+                params.set("obfs", "salamander");
+                params.set("obfs-password", obfsPassword);
+            }
+        }
+
         const url = new URL(link);
         for (const [key, value] of params) {
             url.searchParams.set(key, value);
diff --git a/web/html/form/stream/stream_hysteria.html b/web/html/form/stream/stream_hysteria.html
index 4a424fd1..960239bd 100644
--- a/web/html/form/stream/stream_hysteria.html
+++ b/web/html/form/stream/stream_hysteria.html
@@ -4,21 +4,6 @@
   :label-col="{ md: {span:8} }"
   :wrapper-col="{ md: {span:14} }"
 >
-  <a-form-item>
-    <template slot="label">
-      <a-tooltip>
-        <template slot="title">
-          <span>{{ i18n "reset" }}</span>
-        </template>
-        Auth Password
-        <a-icon
-          @click="inbound.stream.hysteria.auth = RandomUtil.randomSeq(10)"
-          type="sync"
-        ></a-icon>
-      </a-tooltip>
-    </template>
-    <a-input v-model.trim="inbound.stream.hysteria.auth"></a-input>
-  </a-form-item>
   <a-form-item label="UDP Idle Timeout">
     <a-input-number
       v-model.number="inbound.stream.hysteria.udpIdleTimeout"