diff --git a/frontend/public/static/img/icons/guard-level-1.png b/frontend/public/static/img/icons/guard-level-1.png
new file mode 100644
index 0000000..9aefb3e
Binary files /dev/null and b/frontend/public/static/img/icons/guard-level-1.png differ
diff --git a/frontend/public/static/img/icons/guard-level-2.png b/frontend/public/static/img/icons/guard-level-2.png
new file mode 100644
index 0000000..247f486
Binary files /dev/null and b/frontend/public/static/img/icons/guard-level-2.png differ
diff --git a/frontend/public/static/img/icons/guard-level-3.png b/frontend/public/static/img/icons/guard-level-3.png
new file mode 100644
index 0000000..7361451
Binary files /dev/null and b/frontend/public/static/img/icons/guard-level-3.png differ
diff --git a/frontend/src/components/ChatRenderer/AuthorBadge.vue b/frontend/src/components/ChatRenderer/AuthorBadge.vue
new file mode 100644
index 0000000..840c010
--- /dev/null
+++ b/frontend/src/components/ChatRenderer/AuthorBadge.vue
@@ -0,0 +1,121 @@
+<template>
+  <yt-live-chat-author-badge-renderer :type="authorTypeText" v-if="isAdmin || privilegeType > 0">
+    <el-tooltip :content="readableAuthorTypeText" placement="top">
+      <div id="image" class="style-scope yt-live-chat-author-badge-renderer">
+        <yt-icon v-if="isAdmin" class="style-scope yt-live-chat-author-badge-renderer">
+          <svg viewBox="0 0 16 16" class="style-scope yt-icon" preserveAspectRatio="xMidYMid meet" focusable="false"
+            style="pointer-events: none; display: block; width: 100%; height: 100%;"
+          >
+            <g class="style-scope yt-icon">
+              <path class="style-scope yt-icon"
+                d="M9.64589146,7.05569719 C9.83346524,6.562372 9.93617022,6.02722257 9.93617022,5.46808511 C9.93617022,3.00042984 7.93574038,1 5.46808511,1 C4.90894765,1 4.37379823,1.10270499 3.88047304,1.29027875 L6.95744681,4.36725249 L4.36725255,6.95744681 L1.29027875,3.88047305 C1.10270498,4.37379824 1,4.90894766 1,5.46808511 C1,7.93574038 3.00042984,9.93617022 5.46808511,9.93617022 C6.02722256,9.93617022 6.56237198,9.83346524 7.05569716,9.64589147 L12.4098057,15 L15,12.4098057 L9.64589146,7.05569719 Z"
+              ></path>
+            </g>
+          </svg>
+        </yt-icon>
+        <img v-else :src="`/static/img/icons/guard-level-${privilegeType}.png`"
+          class="style-scope yt-live-chat-author-badge-renderer" :alt="readableAuthorTypeText">
+      </div>
+    </el-tooltip>
+  </yt-live-chat-author-badge-renderer>
+</template>
+
+<script>
+import * as constants from './constants'
+
+export default {
+  name: 'AuthorBadge',
+  props: {
+    isAdmin: Boolean,
+    privilegeType: Number
+  },
+  computed: {
+    authorTypeText() {
+      if (this.isAdmin) {
+        return 'moderator'
+      }
+      return this.privilegeType > 0 ? 'member' : ''
+    },
+    readableAuthorTypeText() {
+      if (this.isAdmin) {
+        return '管理员'
+      }
+      return constants.GUARD_LEVEL_TO_TEXT[this.privilegeType]
+    }
+  }
+}
+</script>
+
+<!-- yt-live-chat-author-badge-renderer -->
+<style>
+canvas.yt-live-chat-author-badge-renderer, caption.yt-live-chat-author-badge-renderer, center.yt-live-chat-author-badge-renderer, cite.yt-live-chat-author-badge-renderer, code.yt-live-chat-author-badge-renderer, dd.yt-live-chat-author-badge-renderer, del.yt-live-chat-author-badge-renderer, dfn.yt-live-chat-author-badge-renderer, div.yt-live-chat-author-badge-renderer, dl.yt-live-chat-author-badge-renderer, dt.yt-live-chat-author-badge-renderer, em.yt-live-chat-author-badge-renderer, embed.yt-live-chat-author-badge-renderer, fieldset.yt-live-chat-author-badge-renderer, font.yt-live-chat-author-badge-renderer, form.yt-live-chat-author-badge-renderer, h1.yt-live-chat-author-badge-renderer, h2.yt-live-chat-author-badge-renderer, h3.yt-live-chat-author-badge-renderer, h4.yt-live-chat-author-badge-renderer, h5.yt-live-chat-author-badge-renderer, h6.yt-live-chat-author-badge-renderer, hr.yt-live-chat-author-badge-renderer, i.yt-live-chat-author-badge-renderer, iframe.yt-live-chat-author-badge-renderer, img.yt-live-chat-author-badge-renderer, ins.yt-live-chat-author-badge-renderer, kbd.yt-live-chat-author-badge-renderer, label.yt-live-chat-author-badge-renderer, legend.yt-live-chat-author-badge-renderer, li.yt-live-chat-author-badge-renderer, menu.yt-live-chat-author-badge-renderer, object.yt-live-chat-author-badge-renderer, ol.yt-live-chat-author-badge-renderer, p.yt-live-chat-author-badge-renderer, pre.yt-live-chat-author-badge-renderer, q.yt-live-chat-author-badge-renderer, s.yt-live-chat-author-badge-renderer, samp.yt-live-chat-author-badge-renderer, small.yt-live-chat-author-badge-renderer, span.yt-live-chat-author-badge-renderer, strike.yt-live-chat-author-badge-renderer, strong.yt-live-chat-author-badge-renderer, sub.yt-live-chat-author-badge-renderer, sup.yt-live-chat-author-badge-renderer, table.yt-live-chat-author-badge-renderer, tbody.yt-live-chat-author-badge-renderer, td.yt-live-chat-author-badge-renderer, tfoot.yt-live-chat-author-badge-renderer, th.yt-live-chat-author-badge-renderer, thead.yt-live-chat-author-badge-renderer, tr.yt-live-chat-author-badge-renderer, tt.yt-live-chat-author-badge-renderer, u.yt-live-chat-author-badge-renderer, ul.yt-live-chat-author-badge-renderer, var.yt-live-chat-author-badge-renderer {
+  margin: 0;
+  padding: 0;
+  border: 0;
+  background: transparent;
+}
+
+.yt-live-chat-author-badge-renderer[hidden] {
+  display: none !important;
+}
+
+yt-live-chat-author-badge-renderer {
+  display: inline-block;
+}
+
+yt-live-chat-author-badge-renderer[type='moderator'] {
+  color: var(--yt-live-chat-moderator-color, #5e84f1);
+}
+
+yt-live-chat-author-badge-renderer[type='owner'] {
+  color: var(--yt-live-chat-owner-color, #ffd600);
+}
+
+yt-live-chat-author-badge-renderer[type='member'] {
+  color: var(--yt-live-chat-sponsor-color, #107516);
+}
+
+yt-live-chat-author-badge-renderer[type='verified'] {
+  color: #999;
+}
+
+img.yt-live-chat-author-badge-renderer, yt-icon.yt-live-chat-author-badge-renderer {
+  display: block;
+  width: 16px;
+  height: 16px;
+}
+</style>
+
+<!-- yt-icon -->
+<style>
+canvas.yt-icon, caption.yt-icon, center.yt-icon, cite.yt-icon, code.yt-icon, dd.yt-icon, del.yt-icon, dfn.yt-icon, div.yt-icon, dl.yt-icon, dt.yt-icon, em.yt-icon, embed.yt-icon, fieldset.yt-icon, font.yt-icon, form.yt-icon, h1.yt-icon, h2.yt-icon, h3.yt-icon, h4.yt-icon, h5.yt-icon, h6.yt-icon, hr.yt-icon, i.yt-icon, iframe.yt-icon, img.yt-icon, ins.yt-icon, kbd.yt-icon, label.yt-icon, legend.yt-icon, li.yt-icon, menu.yt-icon, object.yt-icon, ol.yt-icon, p.yt-icon, pre.yt-icon, q.yt-icon, s.yt-icon, samp.yt-icon, small.yt-icon, span.yt-icon, strike.yt-icon, strong.yt-icon, sub.yt-icon, sup.yt-icon, table.yt-icon, tbody.yt-icon, td.yt-icon, tfoot.yt-icon, th.yt-icon, thead.yt-icon, tr.yt-icon, tt.yt-icon, u.yt-icon, ul.yt-icon, var.yt-icon {
+  margin: 0;
+  padding: 0;
+  border: 0;
+  background: transparent;
+}
+
+.yt-icon[hidden] {
+  display: none !important;
+}
+
+yt-icon, .yt-icon-container.yt-icon {
+  display: inline-flex;
+  -ms-flex-align: center;
+  -webkit-align-items: center;
+  align-items: center;
+  -ms-flex-pack: center;
+  -webkit-justify-content: center;
+  justify-content: center;
+  position: relative;
+  vertical-align: middle;
+  fill: currentcolor;
+  stroke: none;
+  width: var(--iron-icon-width, 24px);
+  height: var(--iron-icon-height, 24px);
+}
+
+yt-icon.external-container {
+  display: none !important;
+}
+</style>
diff --git a/frontend/src/components/ChatRenderer/ImgShadow.vue b/frontend/src/components/ChatRenderer/ImgShadow.vue
new file mode 100644
index 0000000..1060dd3
--- /dev/null
+++ b/frontend/src/components/ChatRenderer/ImgShadow.vue
@@ -0,0 +1,88 @@
+<template>
+  <yt-img-shadow class="no-transition" :height="height" :width="width" style="background-color: transparent;" loaded>
+    <img id="img" class="style-scope yt-img-shadow" alt="" :height="height" :width="width" :src="imgUrl">
+  </yt-img-shadow>
+</template>
+
+<script>
+export default {
+  name: 'ImgShadow',
+  props: {
+    imgUrl: String,
+    height: String,
+    width: String
+  }
+}
+</script>
+
+<!-- yt-img-shadow -->
+<style>
+canvas.yt-img-shadow, caption.yt-img-shadow, center.yt-img-shadow, cite.yt-img-shadow, code.yt-img-shadow, dd.yt-img-shadow, del.yt-img-shadow, dfn.yt-img-shadow, div.yt-img-shadow, dl.yt-img-shadow, dt.yt-img-shadow, em.yt-img-shadow, embed.yt-img-shadow, fieldset.yt-img-shadow, font.yt-img-shadow, form.yt-img-shadow, h1.yt-img-shadow, h2.yt-img-shadow, h3.yt-img-shadow, h4.yt-img-shadow, h5.yt-img-shadow, h6.yt-img-shadow, hr.yt-img-shadow, i.yt-img-shadow, iframe.yt-img-shadow, img.yt-img-shadow, ins.yt-img-shadow, kbd.yt-img-shadow, label.yt-img-shadow, legend.yt-img-shadow, li.yt-img-shadow, menu.yt-img-shadow, object.yt-img-shadow, ol.yt-img-shadow, p.yt-img-shadow, pre.yt-img-shadow, q.yt-img-shadow, s.yt-img-shadow, samp.yt-img-shadow, small.yt-img-shadow, span.yt-img-shadow, strike.yt-img-shadow, strong.yt-img-shadow, sub.yt-img-shadow, sup.yt-img-shadow, table.yt-img-shadow, tbody.yt-img-shadow, td.yt-img-shadow, tfoot.yt-img-shadow, th.yt-img-shadow, thead.yt-img-shadow, tr.yt-img-shadow, tt.yt-img-shadow, u.yt-img-shadow, ul.yt-img-shadow, var.yt-img-shadow {
+  margin: 0;
+  padding: 0;
+  border: 0;
+  background: transparent;
+}
+
+.yt-img-shadow[hidden] {
+  display: none !important;
+}
+
+yt-img-shadow {
+  display: inline-block;
+  opacity: 0;
+  transition: opacity 0.2s;
+  -ms-flex: none;
+  -webkit-flex: none;
+  flex: none;
+}
+
+yt-img-shadow.no-transition {
+  opacity: 1;
+  transition: none;
+}
+
+yt-img-shadow.with-placeholder {
+  background-color: transparent;
+  min-height: unset;
+  min-width: unset;
+}
+
+yt-img-shadow[loaded] {
+  opacity: 1;
+}
+
+yt-img-shadow.empty img.yt-img-shadow {
+  visibility: hidden;
+}
+
+yt-img-shadow[object-fit="FILL"] img.yt-img-shadow, yt-img-shadow[fit] img.yt-img-shadow {
+  width: 100%;
+  height: 100%;
+}
+
+yt-img-shadow[object-fit="COVER"] img.yt-img-shadow {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+yt-img-shadow[object-fit="CONTAIN"] img.yt-img-shadow {
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+}
+
+yt-img-shadow[object-position="LEFT"] img.yt-img-shadow {
+  object-position: left;
+}
+
+img.yt-img-shadow {
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+  max-height: none;
+  max-width: 100%;
+  border-radius: none;
+}
+</style>
diff --git a/frontend/src/components/ChatRenderer/LegacyPaidMessage.vue b/frontend/src/components/ChatRenderer/LegacyPaidMessage.vue
index 1ef199e..97f1b86 100644
--- a/frontend/src/components/ChatRenderer/LegacyPaidMessage.vue
+++ b/frontend/src/components/ChatRenderer/LegacyPaidMessage.vue
@@ -1,11 +1,9 @@
 <template>
   <yt-live-chat-legacy-paid-message-renderer class="style-scope yt-live-chat-item-list-renderer">
     <div id="card" class="style-scope yt-live-chat-legacy-paid-message-renderer">
-      <yt-img-shadow id="author-photo" class="style-scope yt-live-chat-legacy-paid-message-renderer no-transition"
-        height="40" width="40" style="background-color: transparent;" loaded
-      >
-        <img id="img" class="style-scope yt-img-shadow" alt="" height="40" width="40" :src="avatarUrl">
-      </yt-img-shadow>
+      <img-shadow id="author-photo" height="40" width="40" class="style-scope yt-live-chat-legacy-paid-message-renderer"
+        :imgUrl="avatarUrl"
+      ></img-shadow>
       <div id="content" class="style-scope yt-live-chat-legacy-paid-message-renderer">
         <div id="content-primary-column" class="style-scope yt-live-chat-legacy-paid-message-renderer">
           <div id="author-name" class="style-scope yt-live-chat-legacy-paid-message-renderer">{{authorName}}</div>
@@ -22,8 +20,13 @@
 </template>
 
 <script>
+import ImgShadow from './ImgShadow.vue'
+
 export default {
   name: 'LegacyPaidMessage',
+  components: {
+    ImgShadow
+  },
   props: {
     avatarUrl: String,
     authorName: String,
diff --git a/frontend/src/components/ChatRenderer/PaidMessage.vue b/frontend/src/components/ChatRenderer/PaidMessage.vue
index c02a898..ef75e6b 100644
--- a/frontend/src/components/ChatRenderer/PaidMessage.vue
+++ b/frontend/src/components/ChatRenderer/PaidMessage.vue
@@ -10,11 +10,9 @@
   >
     <div id="card" class="style-scope yt-live-chat-paid-message-renderer">
       <div id="header" class="style-scope yt-live-chat-paid-message-renderer">
-        <yt-img-shadow id="author-photo" class="style-scope yt-live-chat-legacy-paid-message-renderer no-transition"
-          height="40" width="40" style="background-color: transparent;" loaded
-        >
-          <img id="img" class="style-scope yt-img-shadow" alt="" height="40" width="40" :src="avatarUrl">
-        </yt-img-shadow>
+        <img-shadow id="author-photo" height="40" width="40" class="style-scope yt-live-chat-paid-message-renderer"
+          :imgUrl="avatarUrl"
+        ></img-shadow>
         <div id="header-content" class="style-scope yt-live-chat-paid-message-renderer">
           <div id="header-content-primary-column" class="style-scope yt-live-chat-paid-message-renderer">
             <div id="author-name" class="style-scope yt-live-chat-paid-message-renderer">{{authorName}}</div>
@@ -33,6 +31,8 @@
 </template>
 
 <script>
+import ImgShadow from './ImgShadow.vue'
+
 const COLORS = [
   { // $100红
     price: 1245, // >= 1245，小电视飞船
@@ -95,6 +95,9 @@ const COLORS = [
 
 export default {
   name: 'PaidMessage',
+  components: {
+    ImgShadow
+  },
   props: {
     avatarUrl: String,
     authorName: String,
diff --git a/frontend/src/components/ChatRenderer/TextMessage.vue b/frontend/src/components/ChatRenderer/TextMessage.vue
index f89b9db..1aa4115 100644
--- a/frontend/src/components/ChatRenderer/TextMessage.vue
+++ b/frontend/src/components/ChatRenderer/TextMessage.vue
@@ -1,18 +1,21 @@
 <template>
   <yt-live-chat-text-message-renderer :author-type="authorTypeText">
-    <yt-img-shadow id="author-photo" class="no-transition style-scope yt-live-chat-text-message-renderer" height="24"
-      width="24" style="background-color: transparent;" loaded
-    >
-      <img id="img" class="style-scope yt-img-shadow" alt="" height="24" width="24" :src="avatarUrl">
-    </yt-img-shadow>
+    <img-shadow id="author-photo" height="24" width="24" class="style-scope yt-live-chat-text-message-renderer"
+      :imgUrl="avatarUrl"
+    ></img-shadow>
     <div id="content" class="style-scope yt-live-chat-text-message-renderer">
       <span id="timestamp" class="style-scope yt-live-chat-text-message-renderer">{{time}}</span>
       <yt-live-chat-author-chip class="style-scope yt-live-chat-text-message-renderer">
         <span id="author-name" dir="auto" class="style-scope yt-live-chat-author-chip" :type="authorTypeText">
           {{authorName}}
+          <!-- 这里是已验证勋章 -->
           <span id="chip-badges" class="style-scope yt-live-chat-author-chip"></span>
         </span>
-        <span id="chat-badges" class="style-scope yt-live-chat-author-chip"></span>
+        <span id="chat-badges" class="style-scope yt-live-chat-author-chip">
+          <author-badge class="style-scope yt-live-chat-author-chip"
+            :isAdmin="authorType === 2" :privilegeType="privilegeType"
+          ></author-badge>
+        </span>
       </yt-live-chat-author-chip>
       <span id="message" class="style-scope yt-live-chat-text-message-renderer">{{content}}</span>
       <el-badge :value="repeated" :max="99" v-show="repeated > 1" class="style-scope yt-live-chat-text-message-renderer"
@@ -23,28 +26,31 @@
 </template>
 
 <script>
-const AUTHOR_TYPE_TO_TEXT = [
-  '',
-  'member', // 舰队
-  'moderator', // 房管
-  'owner' // 主播
-]
+import ImgShadow from './ImgShadow.vue'
+import AuthorBadge from './AuthorBadge.vue'
+import * as constants from './constants'
+
 const REPEATED_MARK_COLOR_START = [64, 158, 255]
 const REPEATED_MARK_COLOR_END = [245, 108, 108]
 
 export default {
   name: 'TextMessage',
+  components: {
+    ImgShadow,
+    AuthorBadge
+  },
   props: {
     avatarUrl: String,
     time: String,
     authorName: String,
     authorType: Number,
     content: String,
+    privilegeType: Number,
     repeated: Number
   },
   computed: {
     authorTypeText() {
-      return AUTHOR_TYPE_TO_TEXT[this.authorType]
+      return constants.AUTHOR_TYPE_TO_TEXT[this.authorType]
     },
     repeatedMarkColor() {
       let color
@@ -313,78 +319,6 @@ yt-live-chat-text-message-renderer[is-dimmed]::before {
 }
 </style>
 
-<!-- yt-img-shadow -->
-<style>
-canvas.yt-img-shadow, caption.yt-img-shadow, center.yt-img-shadow, cite.yt-img-shadow, code.yt-img-shadow, dd.yt-img-shadow, del.yt-img-shadow, dfn.yt-img-shadow, div.yt-img-shadow, dl.yt-img-shadow, dt.yt-img-shadow, em.yt-img-shadow, embed.yt-img-shadow, fieldset.yt-img-shadow, font.yt-img-shadow, form.yt-img-shadow, h1.yt-img-shadow, h2.yt-img-shadow, h3.yt-img-shadow, h4.yt-img-shadow, h5.yt-img-shadow, h6.yt-img-shadow, hr.yt-img-shadow, i.yt-img-shadow, iframe.yt-img-shadow, img.yt-img-shadow, ins.yt-img-shadow, kbd.yt-img-shadow, label.yt-img-shadow, legend.yt-img-shadow, li.yt-img-shadow, menu.yt-img-shadow, object.yt-img-shadow, ol.yt-img-shadow, p.yt-img-shadow, pre.yt-img-shadow, q.yt-img-shadow, s.yt-img-shadow, samp.yt-img-shadow, small.yt-img-shadow, span.yt-img-shadow, strike.yt-img-shadow, strong.yt-img-shadow, sub.yt-img-shadow, sup.yt-img-shadow, table.yt-img-shadow, tbody.yt-img-shadow, td.yt-img-shadow, tfoot.yt-img-shadow, th.yt-img-shadow, thead.yt-img-shadow, tr.yt-img-shadow, tt.yt-img-shadow, u.yt-img-shadow, ul.yt-img-shadow, var.yt-img-shadow {
-  margin: 0;
-  padding: 0;
-  border: 0;
-  background: transparent;
-}
-
-.yt-img-shadow[hidden] {
-  display: none !important;
-}
-
-yt-img-shadow {
-  display: inline-block;
-  opacity: 0;
-  transition: opacity 0.2s;
-  -ms-flex: none;
-  -webkit-flex: none;
-  flex: none;
-}
-
-yt-img-shadow.no-transition {
-  opacity: 1;
-  transition: none;
-}
-
-yt-img-shadow.with-placeholder {
-  background-color: transparent;
-  min-height: unset;
-  min-width: unset;
-}
-
-yt-img-shadow[loaded] {
-  opacity: 1;
-}
-
-yt-img-shadow.empty img.yt-img-shadow {
-  visibility: hidden;
-}
-
-yt-img-shadow[object-fit="FILL"] img.yt-img-shadow, yt-img-shadow[fit] img.yt-img-shadow {
-  width: 100%;
-  height: 100%;
-}
-
-yt-img-shadow[object-fit="COVER"] img.yt-img-shadow {
-  width: 100%;
-  height: 100%;
-  object-fit: cover;
-}
-
-yt-img-shadow[object-fit="CONTAIN"] img.yt-img-shadow {
-  width: 100%;
-  height: 100%;
-  object-fit: contain;
-}
-
-yt-img-shadow[object-position="LEFT"] img.yt-img-shadow {
-  object-position: left;
-}
-
-img.yt-img-shadow {
-  display: block;
-  margin-left: auto;
-  margin-right: auto;
-  max-height: none;
-  max-width: 100%;
-  border-radius: none;
-}
-</style>
-
 <!-- yt-live-chat-author-chip -->
 <style>
 canvas.yt-live-chat-author-chip, caption.yt-live-chat-author-chip, center.yt-live-chat-author-chip, cite.yt-live-chat-author-chip, code.yt-live-chat-author-chip, dd.yt-live-chat-author-chip, del.yt-live-chat-author-chip, dfn.yt-live-chat-author-chip, div.yt-live-chat-author-chip, dl.yt-live-chat-author-chip, dt.yt-live-chat-author-chip, em.yt-live-chat-author-chip, embed.yt-live-chat-author-chip, fieldset.yt-live-chat-author-chip, font.yt-live-chat-author-chip, form.yt-live-chat-author-chip, h1.yt-live-chat-author-chip, h2.yt-live-chat-author-chip, h3.yt-live-chat-author-chip, h4.yt-live-chat-author-chip, h5.yt-live-chat-author-chip, h6.yt-live-chat-author-chip, hr.yt-live-chat-author-chip, i.yt-live-chat-author-chip, iframe.yt-live-chat-author-chip, img.yt-live-chat-author-chip, ins.yt-live-chat-author-chip, kbd.yt-live-chat-author-chip, label.yt-live-chat-author-chip, legend.yt-live-chat-author-chip, li.yt-live-chat-author-chip, menu.yt-live-chat-author-chip, object.yt-live-chat-author-chip, ol.yt-live-chat-author-chip, p.yt-live-chat-author-chip, pre.yt-live-chat-author-chip, q.yt-live-chat-author-chip, s.yt-live-chat-author-chip, samp.yt-live-chat-author-chip, small.yt-live-chat-author-chip, span.yt-live-chat-author-chip, strike.yt-live-chat-author-chip, strong.yt-live-chat-author-chip, sub.yt-live-chat-author-chip, sup.yt-live-chat-author-chip, table.yt-live-chat-author-chip, tbody.yt-live-chat-author-chip, td.yt-live-chat-author-chip, tfoot.yt-live-chat-author-chip, th.yt-live-chat-author-chip, thead.yt-live-chat-author-chip, tr.yt-live-chat-author-chip, tt.yt-live-chat-author-chip, u.yt-live-chat-author-chip, ul.yt-live-chat-author-chip, var.yt-live-chat-author-chip {
diff --git a/frontend/src/components/ChatRenderer/constants.js b/frontend/src/components/ChatRenderer/constants.js
new file mode 100644
index 0000000..bc04ca0
--- /dev/null
+++ b/frontend/src/components/ChatRenderer/constants.js
@@ -0,0 +1,17 @@
+export const AUTHRO_TYPE_MEMBER = 1
+export const AUTHRO_TYPE_ADMIN = 2
+export const AUTHRO_TYPE_OWNER = 3
+
+export const AUTHOR_TYPE_TO_TEXT = [
+  '',
+  'member', // 舰队
+  'moderator', // 房管
+  'owner' // 主播
+]
+
+export const GUARD_LEVEL_TO_TEXT = [
+  '',
+  '总督',
+  '提督',
+  '舰长'
+]
diff --git a/frontend/src/components/ChatRenderer/index.vue b/frontend/src/components/ChatRenderer/index.vue
index b92ada8..2ce09e4 100644
--- a/frontend/src/components/ChatRenderer/index.vue
+++ b/frontend/src/components/ChatRenderer/index.vue
@@ -22,7 +22,8 @@
               <text-message :key="message.id" v-if="message.type == 0"
                 class="style-scope yt-live-chat-item-list-renderer"
                 :avatarUrl="message.avatarUrl" :time="message.time" :authorName="message.authorName"
-                :authorType="message.authorType" :content="message.content" :repeated="message.repeated"
+                :authorType="message.authorType" :content="message.content" :privilegeType="message.privilegeType"
+                :repeated="message.repeated"
               ></text-message>
               <legacy-paid-message :key="message.id" v-else-if="message.type == 1"
                 class="style-scope yt-live-chat-item-list-renderer"
diff --git a/frontend/src/views/Home.vue b/frontend/src/views/Home.vue
index e2d8fa0..53309eb 100644
--- a/frontend/src/views/Home.vue
+++ b/frontend/src/views/Home.vue
@@ -10,7 +10,7 @@
         <el-form-item label="房间ID" required prop="roomId">
           <el-input v-model.number="form.roomId" type="number" min="1"></el-input>
         </el-form-item>
-        <el-form-item label="最低显示礼物价格" prop="minGiftPrice">
+        <el-form-item label="最低显示礼物价格（元）" prop="minGiftPrice">
           <el-input v-model.number="form.minGiftPrice" type="number" min="0"></el-input>
         </el-form-item>
         <el-form-item label="合并相似弹幕" prop="mergeSimilarDanmaku">
diff --git a/frontend/src/views/Room.vue b/frontend/src/views/Room.vue
index ad20978..d729773 100644
--- a/frontend/src/views/Room.vue
+++ b/frontend/src/views/Room.vue
@@ -9,7 +9,7 @@ import ChatRenderer from '@/components/ChatRenderer'
 const COMMAND_JOIN_ROOM = 0
 const COMMAND_ADD_TEXT = 1
 const COMMAND_ADD_GIFT = 2
-const COMMAND_ADD_VIP = 3
+const COMMAND_ADD_MEMBER = 3
 
 export default {
   name: 'Room',
@@ -74,6 +74,7 @@ export default {
           authorName: data.authorName,
           authorType: data.authorType,
           content: data.content,
+          privilegeType: data.privilegeType,
           repeated: 1
         }
         break
@@ -92,7 +93,7 @@ export default {
         }
         break
       }
-      case COMMAND_ADD_VIP:
+      case COMMAND_ADD_MEMBER:
         message = {
           id: this.nextId++,
           type: 1, // LegacyPaidMessage
diff --git a/frontend/src/views/StyleGenerator/index.vue b/frontend/src/views/StyleGenerator/index.vue
index f976bbe..f3e9a84 100644
--- a/frontend/src/views/StyleGenerator/index.vue
+++ b/frontend/src/views/StyleGenerator/index.vue
@@ -179,7 +179,7 @@
 
         <h3>结果</h3>
         <el-form-item label="CSS">
-          <el-input v-model="result" ref="result" type="textarea" :rows="10"></el-input>
+          <el-input v-model="result" ref="result" type="textarea" :rows="20"></el-input>
         </el-form-item>
         <el-form-item>
           <el-button type="primary" @click="copyResult">复制</el-button>
@@ -203,6 +203,7 @@ import _ from 'lodash'
 import stylegen from './stylegen'
 import fonts from './fonts'
 import ChatRenderer from '@/components/ChatRenderer'
+import * as constants from '@/components/ChatRenderer/constants'
 
 let time = new Date()
 let textMessageTemplate = {
@@ -213,6 +214,7 @@ let textMessageTemplate = {
   authorName: '',
   authorType: 0,
   content: '',
+  privilegeType: 0,
   repeated: 1
 }
 let legacyPaidMessageTemplate = {
@@ -245,14 +247,15 @@ const EXAMPLE_MESSAGES = [
     ...textMessageTemplate,
     id: nextId++,
     authorName: 'member舰长',
-    authorType: 1,
+    authorType:  constants.AUTHRO_TYPE_MEMBER,
     content: '草',
+    privilegeType: 3,
     repeated: 3
   }, {
     ...textMessageTemplate,
     id: nextId++,
     authorName: 'admin房管',
-    authorType: 2,
+    authorType: constants.AUTHRO_TYPE_ADMIN,
     content: 'kksk'
   }, {
     ...legacyPaidMessageTemplate,
@@ -269,7 +272,7 @@ const EXAMPLE_MESSAGES = [
     ...textMessageTemplate,
     id: nextId++,
     authorName: 'streamer主播',
-    authorType: 3,
+    authorType: constants.AUTHRO_TYPE_OWNER,
     content: '感谢石油佬送的小电视'
   }, {
     ...paidMessageTemplate,
@@ -325,11 +328,11 @@ export default {
     }
   },
   watch: {
-    computedResult: _.debounce(function (val) {
+    computedResult: _.debounce(function(val) {
       this.result = val
       stylegen.setLocalConfig(this.form)
     }, 500),
-    result (val) {
+    result(val) {
       this.exampleCss = val.replace(/^body\b/gm, '#fakebody')
     }
   }
diff --git a/frontend/src/views/StyleGenerator/stylegen.js b/frontend/src/views/StyleGenerator/stylegen.js
index c028b3d..9142c8f 100644
--- a/frontend/src/views/StyleGenerator/stylegen.js
+++ b/frontend/src/views/StyleGenerator/stylegen.js
@@ -155,7 +155,7 @@ yt-live-chat-legacy-paid-message-renderer #author-photo img {
 }
 
 /* Hide badges. */
-yt-live-chat-text-message-renderer #author-badges {
+yt-live-chat-text-message-renderer #chat-badges {
   ${config.showBadges ? '' : 'display: none !important;'}
   vertical-align: text-top !important;
 }
diff --git a/main.py b/main.py
index 2b0f7ae..5eec5e1 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 import argparse
+import webbrowser
 import logging
 import os
 
@@ -46,6 +47,8 @@ def main():
     )
     app.listen(args.port, args.host)
     logger.info('服务器启动：%s:%d', args.host, args.port)
+    url = 'http://localhost' if args.port == 80 else f'http://localhost:{args.port}'
+    webbrowser.open(url)
     tornado.ioloop.IOLoop.current().start()
 
 
diff --git a/views/chat.py b/views/chat.py
index d86b46f..44449c6 100644
--- a/views/chat.py
+++ b/views/chat.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 import asyncio
+import datetime
 import enum
 import json
 import logging
@@ -19,20 +20,31 @@ class Command(enum.IntEnum):
     JOIN_ROOM = 0
     ADD_TEXT = 1
     ADD_GIFT = 2
-    ADD_VIP = 3
+    ADD_MEMBER = 3
 
 
 _http_session = aiohttp.ClientSession()
 _avatar_url_cache: Dict[int, str] = {}
+_last_avatar_failed_time = None
 
 
 async def get_avatar_url(user_id):
     if user_id in _avatar_url_cache:
         return _avatar_url_cache[user_id]
+
+    global _last_avatar_failed_time
+    if _last_avatar_failed_time is not None:
+        if (datetime.datetime.now() - _last_avatar_failed_time).seconds < 5 * 60:
+            # 5分钟以内被ban
+            return 'https://static.hdslb.com/images/member/noface.gif'
+        else:
+            _last_avatar_failed_time = None
+
     async with _http_session.get('https://api.bilibili.com/x/space/acc/info',
                                  params={'mid': user_id}) as r:
         if r.status != 200:  # 可能会被B站ban
-            logger.error('获取头像失败：status=%d %s uid=%d', r.status, r.reason, user_id)
+            logger.warning('获取头像失败：status=%d %s uid=%d', r.status, r.reason, user_id)
+            _last_avatar_failed_time = datetime.datetime.now()
             return 'https://static.hdslb.com/images/member/noface.gif'
         data = await r.json()
     url = data['data']['face']
@@ -40,7 +52,7 @@ async def get_avatar_url(user_id):
         url += '@48w_48h'
     _avatar_url_cache[user_id] = url
 
-    if len(_avatar_url_cache) > 10000:
+    if len(_avatar_url_cache) > 50000:
         for _, key in zip(range(100), _avatar_url_cache):
             del _avatar_url_cache[key]
 
@@ -96,7 +108,7 @@ class Room(blivedm.BLiveClient):
         })
 
     async def _on_buy_guard(self, message: blivedm.GuardBuyMessage):
-        self.send_message(Command.ADD_VIP, {
+        self.send_message(Command.ADD_MEMBER, {
             'avatarUrl':  await get_avatar_url(message.uid),
             'timestamp': message.start_time,
             'authorName': message.username
@@ -160,7 +172,7 @@ class RoomManager:
         text_data['authorType'] = 3
         text_data['content'] = "I can eat glass, it doesn't hurt me."
         room.send_message(Command.ADD_TEXT, text_data)
-        room.send_message(Command.ADD_VIP, vip_data)
+        room.send_message(Command.ADD_MEMBER, vip_data)
         room.send_message(Command.ADD_GIFT, gift_data)
         gift_data['giftName'] = '节奏风暴'
         gift_data['totalCoin'] = 100000