diff --git a/web/assets/js/model/inbound.js b/web/assets/js/model/inbound.js
index ef9ad19c..b5971a68 100644
--- a/web/assets/js/model/inbound.js
+++ b/web/assets/js/model/inbound.js
@@ -1085,11 +1085,23 @@ class UdpMask extends XrayCommonClass {
             case 'header-wireguard':
                 return {};
             case 'header-custom':
-                return { client: [], server: [] };
+                return {
+                    client: Array.isArray(settings.client) ? settings.client : [],
+                    server: Array.isArray(settings.server) ? settings.server : [],
+                };
             case 'noise':
-                return { reset: 0, noise: [] };
+                return {
+                    reset: settings.reset ?? 0,
+                    noise: Array.isArray(settings.noise) ? settings.noise : [],
+                };
             case 'sudoku':
-                return { ascii: '', customTable: '', customTables: [], paddingMin: 0, paddingMax: 0 };
+                return {
+                    ascii: settings.ascii || '',
+                    customTable: settings.customTable || '',
+                    customTables: settings.customTables ?? [],
+                    paddingMin: settings.paddingMin ?? 0,
+                    paddingMax: settings.paddingMax ?? 0,
+                };
             default:
                 return settings;
         }
@@ -1103,9 +1115,30 @@ class UdpMask extends XrayCommonClass {
     }
 
     toJson() {
+        const cleanItem = item => {
+            const out = { ...item };
+            if (out.type === 'array') {
+                delete out.packet;
+            } else {
+                out.rand = 0;
+            }
+            return out;
+        };
+
+        let settings = this.settings;
+        if (this.type === 'noise' && settings && Array.isArray(settings.noise)) {
+            settings = { ...settings, noise: settings.noise.map(cleanItem) };
+        } else if (this.type === 'header-custom' && settings) {
+            settings = {
+                ...settings,
+                client: Array.isArray(settings.client) ? settings.client.map(cleanItem) : settings.client,
+                server: Array.isArray(settings.server) ? settings.server.map(cleanItem) : settings.server,
+            };
+        }
+
         return {
             type: this.type,
-            settings: (this.settings && Object.keys(this.settings).length > 0) ? this.settings : undefined
+            settings: (settings && Object.keys(settings).length > 0) ? settings : undefined
         };
     }
 }
diff --git a/web/assets/js/model/outbound.js b/web/assets/js/model/outbound.js
index a84c0318..aa90d20d 100644
--- a/web/assets/js/model/outbound.js
+++ b/web/assets/js/model/outbound.js
@@ -655,11 +655,23 @@ class UdpMask extends CommonClass {
             case 'header-wireguard':
                 return {}; // No settings needed
             case 'header-custom':
-                return { client: [], server: [] };
+                return {
+                    client: Array.isArray(settings.client) ? settings.client : [],
+                    server: Array.isArray(settings.server) ? settings.server : [],
+                };
             case 'noise':
-                return { reset: 0, noise: [] };
+                return {
+                    reset: settings.reset ?? 0,
+                    noise: Array.isArray(settings.noise) ? settings.noise : [],
+                };
             case 'sudoku':
-                return { ascii: '', customTable: '', customTables: [], paddingMin: 0, paddingMax: 0 };
+                return {
+                    ascii: settings.ascii || '',
+                    customTable: settings.customTable || '',
+                    customTables: Array.isArray(settings.customTables) ? settings.customTables : [],
+                    paddingMin: settings.paddingMin ?? 0,
+                    paddingMax: settings.paddingMax ?? 0
+                };
             default:
                 return settings;
         }
@@ -673,9 +685,30 @@ class UdpMask extends CommonClass {
     }
 
     toJson() {
+        const cleanItem = item => {
+            const out = { ...item };
+            if (out.type === 'array') {
+                delete out.packet;
+            } else {
+                out.rand = 0;
+            }
+            return out;
+        };
+
+        let settings = this.settings;
+        if (this.type === 'noise' && settings && Array.isArray(settings.noise)) {
+            settings = { ...settings, noise: settings.noise.map(cleanItem) };
+        } else if (this.type === 'header-custom' && settings) {
+            settings = {
+                ...settings,
+                client: Array.isArray(settings.client) ? settings.client.map(cleanItem) : settings.client,
+                server: Array.isArray(settings.server) ? settings.server.map(cleanItem) : settings.server,
+            };
+        }
+
         return {
             type: this.type,
-            settings: (this.settings && Object.keys(this.settings).length > 0) ? this.settings : undefined
+            settings: (settings && Object.keys(settings).length > 0) ? settings : undefined
         };
     }
 }
diff --git a/web/assets/js/util/index.js b/web/assets/js/util/index.js
index cc7b9287..1f481c85 100644
--- a/web/assets/js/util/index.js
+++ b/web/assets/js/util/index.js
@@ -152,6 +152,12 @@ class RandomUtil {
         return Base64.alternativeEncode(String.fromCharCode(...array));
     }
 
+    static randomBase64(length = 16) {
+        const array = new Uint8Array(length);
+        window.crypto.getRandomValues(array);
+        return Base64.alternativeEncode(String.fromCharCode(...array));
+    }
+
     static randomBase32String(length = 16) {
         const array = new Uint8Array(length);
 
diff --git a/web/html/form/outbound.html b/web/html/form/outbound.html
index c350d70f..81b488c7 100644
--- a/web/html/form/outbound.html
+++ b/web/html/form/outbound.html
@@ -972,22 +972,11 @@
                     :style="{ color: 'rgb(255, 77, 79)', cursor: 'pointer' }"
                   ></a-icon>
                 </a-divider>
-                <a-form-item label="Rand">
-                  <a-input-number
-                    v-model.number="c.rand"
-                    :min="0"
-                  ></a-input-number>
-                </a-form-item>
-                <a-form-item label="Rand Range">
-                  <a-input
-                    v-model.trim="c.randRange"
-                    placeholder="0-255"
-                  ></a-input>
-                </a-form-item>
                 <a-form-item label="Type">
                   <a-select
                     v-model="c.type"
                     :dropdown-class-name="themeSwitcher.currentTheme"
+                    @change="t => { if(t === 'array') c.packet = []; else c.packet = ''; }"
                   >
                     <a-select-option value="array">Array</a-select-option>
                     <a-select-option value="str">String</a-select-option>
@@ -995,7 +984,21 @@
                     <a-select-option value="base64">Base64</a-select-option>
                   </a-select>
                 </a-form-item>
-                <a-form-item label="Packet">
+                <template v-if="c.type === 'array'">
+                  <a-form-item label="Rand">
+                    <a-input-number
+                      v-model.number="c.rand"
+                      :min="0"
+                    ></a-input-number>
+                  </a-form-item>
+                  <a-form-item label="Rand Range">
+                    <a-input
+                      v-model.trim="c.randRange"
+                      placeholder="0-255"
+                    ></a-input>
+                  </a-form-item>
+                </template>
+                <a-form-item label="Packet" v-else>
                   <a-input v-model.trim="c.packet" placeholder="binary data" />
                 </a-form-item>
               </template>
@@ -1017,22 +1020,11 @@
                     :style="{ color: 'rgb(255, 77, 79)', cursor: 'pointer' }"
                   ></a-icon>
                 </a-divider>
-                <a-form-item label="Rand">
-                  <a-input-number
-                    v-model.number="s.rand"
-                    :min="0"
-                  ></a-input-number>
-                </a-form-item>
-                <a-form-item label="Rand Range">
-                  <a-input
-                    v-model.trim="s.randRange"
-                    placeholder="0-255"
-                  ></a-input>
-                </a-form-item>
                 <a-form-item label="Type">
                   <a-select
                     v-model="s.type"
                     :dropdown-class-name="themeSwitcher.currentTheme"
+                    @change="t => { if(t === 'array') s.packet = []; else s.packet = ''; }"
                   >
                     <a-select-option value="array">Array</a-select-option>
                     <a-select-option value="str">String</a-select-option>
@@ -1040,7 +1032,21 @@
                     <a-select-option value="base64">Base64</a-select-option>
                   </a-select>
                 </a-form-item>
-                <a-form-item label="Packet">
+                <template v-if="s.type === 'array'">
+                  <a-form-item label="Rand">
+                    <a-input-number
+                      v-model.number="s.rand"
+                      :min="0"
+                    ></a-input-number>
+                  </a-form-item>
+                  <a-form-item label="Rand Range">
+                    <a-input
+                      v-model.trim="s.randRange"
+                      placeholder="0-255"
+                    ></a-input>
+                  </a-form-item>
+                </template>
+                <a-form-item label="Packet" v-else>
                   <a-input v-model.trim="s.packet" placeholder="binary data" />
                 </a-form-item>
               </template>
@@ -1080,7 +1086,7 @@
                   type="plus"
                   type="primary"
                   size="small"
-                  @click="mask.settings.noise.push({rand: '1-8192', randRange: '0-255', type: 'array', packet: '', delay: ''})"
+                  @click="mask.settings.noise.push({rand: 0, randRange: '0-255', type: 'array', packet: [], delay: ''})"
                 />
               </a-form-item>
               <template v-for="(n, index) in mask.settings.noise" :key="index">
@@ -1092,22 +1098,11 @@
                     :style="{ color: 'rgb(255, 77, 79)', cursor: 'pointer' }"
                   ></a-icon>
                 </a-divider>
-                <a-form-item label="Rand">
-                  <a-input-number
-                    v-model.number="n.rand"
-                    :min="0"
-                  ></a-input-number>
-                </a-form-item>
-                <a-form-item label="Rand Range">
-                  <a-input
-                    v-model.trim="n.randRange"
-                    placeholder="0-255"
-                  ></a-input>
-                </a-form-item>
                 <a-form-item label="Type">
                   <a-select
                     v-model="n.type"
                     :dropdown-class-name="themeSwitcher.currentTheme"
+                    @change="t => { if(t === 'array') n.packet = []; else n.packet = ''; }"
                   >
                     <a-select-option value="array">Array</a-select-option>
                     <a-select-option value="str">String</a-select-option>
@@ -1115,7 +1110,18 @@
                     <a-select-option value="base64">Base64</a-select-option>
                   </a-select>
                 </a-form-item>
-                <a-form-item label="Packet">
+                <template v-if="n.type === 'array'">
+                  <a-form-item label="Rand">
+                    <a-input v-model.trim="n.rand" placeholder="0 or 1-8192" />
+                  </a-form-item>
+                  <a-form-item label="Rand Range">
+                    <a-input
+                      v-model.trim="n.randRange"
+                      placeholder="0-255"
+                    ></a-input>
+                  </a-form-item>
+                </template>
+                <a-form-item label="Packet" v-else>
                   <a-input v-model.trim="n.packet" placeholder="binary data" />
                 </a-form-item>
                 <a-form-item label="Delay">
diff --git a/web/html/form/stream/stream_finalmask.html b/web/html/form/stream/stream_finalmask.html
index 64bf2c06..f0ec87cf 100644
--- a/web/html/form/stream/stream_finalmask.html
+++ b/web/html/form/stream/stream_finalmask.html
@@ -116,16 +116,11 @@
               :style="{ color: 'rgb(255, 77, 79)', cursor: 'pointer' }"
             ></a-icon>
           </a-divider>
-          <a-form-item label="Rand">
-            <a-input-number v-model.number="c.rand" />
-          </a-form-item>
-          <a-form-item label="Rand Range">
-            <a-input v-model.trim="c.randRange" placeholder="0-255" />
-          </a-form-item>
           <a-form-item label='{{ i18n "pages.xray.outbound.type" }}'>
             <a-select
               v-model="c.type"
               :dropdown-class-name="themeSwitcher.currentTheme"
+              @change="t => { if(t === 'base64') c.packet = RandomUtil.randomBase64(); else if(t === 'array') c.packet = []; else c.packet = ''; }"
             >
               <a-select-option value="array">Array</a-select-option>
               <a-select-option value="str">String</a-select-option>
@@ -133,8 +128,20 @@
               <a-select-option value="base64">Base64</a-select-option>
             </a-select>
           </a-form-item>
-          <a-form-item label="Packet">
-            <a-input v-model.trim="c.packet" placeholder="binary data" />
+          <template v-if="c.type === 'array'">
+            <a-form-item label="Rand">
+              <a-input-number v-model.number="c.rand" />
+            </a-form-item>
+            <a-form-item label="Rand Range">
+              <a-input v-model.trim="c.randRange" placeholder="0-255" />
+            </a-form-item>
+          </template>
+          <a-form-item v-else label="Packet">
+            <a-input-group compact v-if="c.type === 'base64'">
+              <a-input v-model.trim="c.packet" placeholder="binary data" :style="{ width: 'calc(100% - 32px)' }" />
+              <a-button icon="reload" @click="c.packet = RandomUtil.randomBase64()" />
+            </a-input-group>
+            <a-input v-else v-model.trim="c.packet" placeholder="binary data" />
           </a-form-item>
         </template>
         <a-divider :style="{ margin: '0' }"></a-divider>
@@ -155,16 +162,11 @@
               :style="{ color: 'rgb(255, 77, 79)', cursor: 'pointer' }"
             ></a-icon>
           </a-divider>
-          <a-form-item label="Rand">
-            <a-input-number v-model.number="s.rand" />
-          </a-form-item>
-          <a-form-item label="Rand Range">
-            <a-input v-model.trim="s.randRange" placeholder="0-255" />
-          </a-form-item>
           <a-form-item label='{{ i18n "pages.xray.outbound.type" }}'>
             <a-select
               v-model="s.type"
               :dropdown-class-name="themeSwitcher.currentTheme"
+              @change="t => { if(t === 'base64') s.packet = RandomUtil.randomBase64(); else if(t === 'array') s.packet = []; else s.packet = ''; }"
             >
               <a-select-option value="array">Array</a-select-option>
               <a-select-option value="str">String</a-select-option>
@@ -172,8 +174,20 @@
               <a-select-option value="base64">Base64</a-select-option>
             </a-select>
           </a-form-item>
-          <a-form-item label="Packet">
-            <a-input v-model.trim="s.packet" placeholder="binary data" />
+          <template v-if="s.type === 'array'">
+            <a-form-item label="Rand">
+              <a-input-number v-model.number="s.rand" />
+            </a-form-item>
+            <a-form-item label="Rand Range">
+              <a-input v-model.trim="s.randRange" placeholder="0-255" />
+            </a-form-item>
+          </template>
+          <a-form-item v-else label="Packet">
+            <a-input-group compact v-if="s.type === 'base64'">
+              <a-input v-model.trim="s.packet" placeholder="binary data" :style="{ width: 'calc(100% - 32px)' }" />
+              <a-button icon="reload" @click="s.packet = RandomUtil.randomBase64()" />
+            </a-input-group>
+            <a-input v-else v-model.trim="s.packet" placeholder="binary data" />
           </a-form-item>
         </template>
       </template>
@@ -186,7 +200,7 @@
             type="plus"
             type="primary"
             size="small"
-            @click="mask.settings.noise.push({rand: '1-8192', randRange: '0-255', type: 'array', packet: '', delay: ''})"
+            @click="mask.settings.noise.push({rand: '1-8192', randRange: '0-255', type: 'array', packet: [], delay: '10-20'})"
           />
         </a-form-item>
         <template v-for="(n, index) in mask.settings.noise" :key="index">
@@ -198,16 +212,11 @@
               :style="{ color: 'rgb(255, 77, 79)', cursor: 'pointer' }"
             ></a-icon>
           </a-divider>
-          <a-form-item label="Rand">
-            <a-input v-model.trim="n.rand" placeholder="1-8192" />
-          </a-form-item>
-          <a-form-item label="Rand Range">
-            <a-input v-model.trim="n.randRange" placeholder="0-255" />
-          </a-form-item>
           <a-form-item label='{{ i18n "pages.xray.outbound.type" }}'>
             <a-select
               v-model="n.type"
               :dropdown-class-name="themeSwitcher.currentTheme"
+              @change="t => { if(t === 'base64') n.packet = RandomUtil.randomBase64(); else if(t === 'array') n.packet = []; else n.packet = ''; }"
             >
               <a-select-option value="array">Array</a-select-option>
               <a-select-option value="str">String</a-select-option>
@@ -215,8 +224,20 @@
               <a-select-option value="base64">Base64</a-select-option>
             </a-select>
           </a-form-item>
-          <a-form-item label="Packet">
-            <a-input v-model.trim="n.packet" placeholder="binary data" />
+          <template v-if="n.type === 'array'">
+            <a-form-item label="Rand">
+              <a-input v-model.trim="n.rand" placeholder="0 or 1-8192" />
+            </a-form-item>
+            <a-form-item label="Rand Range">
+              <a-input v-model.trim="n.randRange" placeholder="0-255" />
+            </a-form-item>
+          </template>
+          <a-form-item v-else label="Packet">
+            <a-input-group compact v-if="n.type === 'base64'">
+              <a-input v-model.trim="n.packet" placeholder="binary data" :style="{ width: 'calc(100% - 32px)' }" />
+              <a-button icon="reload" @click="n.packet = RandomUtil.randomBase64()" />
+            </a-input-group>
+            <a-input v-else v-model.trim="n.packet" placeholder="binary data" />
           </a-form-item>
           <a-form-item label="Delay">
             <a-input v-model.trim="n.delay" placeholder="10-20" />
diff --git a/web/html/xray.html b/web/html/xray.html
index a4d17459..61c40c80 100644
--- a/web/html/xray.html
+++ b/web/html/xray.html
@@ -1077,7 +1077,8 @@
             return;
           }
           if (!msg.obj) return;
-          const { geoip = [], geosite = [] } = msg.obj;
+          const geoip = msg.obj.geoip ?? [];
+          const geosite = msg.obj.geosite ?? [];
           const geoSuffix = this.customGeoAliasLabelSuffix || '';
           geoip.forEach((x) => {
             this.settingsData.IPsOptions.push({