diff --git a/package.json b/package.json
index 0ac467d..7a627be 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
     "js-cookie": "3.0.1",
     "jsencrypt": "3.0.0-rc.1",
     "nprogress": "0.2.0",
+    "pinyin-pro": "^3.27.0",
     "quill": "2.0.2",
     "screenfull": "5.0.2",
     "sortablejs": "1.10.2",
diff --git a/src/views/public/CommentGenerator.vue b/src/views/public/CommentGenerator.vue
index 64ad289..9bc2980 100644
--- a/src/views/public/CommentGenerator.vue
+++ b/src/views/public/CommentGenerator.vue
@@ -11,12 +11,12 @@
           <div class="form-label">型号/类型</div>
           <div class="letter-nav">
             <el-button-group>
-              <el-button size="mini" :type="activeLetter === 'ALL' ? 'primary' : 'default'" @click="activeLetter = 'ALL'">全部</el-button>
-              <el-button v-for="ltr in letters" :key="ltr" size="mini" :type="activeLetter === ltr ? 'primary' : 'default'" @click="activeLetter = ltr">{{ ltr }}</el-button>
+              <el-button size="small" :type="activeLetter === 'ALL' ? 'primary' : 'default'" @click="activeLetter = 'ALL'">全部</el-button>
+              <el-button v-for="ltr in letters" :key="ltr" size="small" :type="activeLetter === ltr ? 'primary' : 'default'" @click="activeLetter = ltr">{{ ltr }}</el-button>
             </el-button-group>
             <el-button 
               type="primary" 
-              size="mini" 
+              size="small" 
               class="refresh-btn" 
               @click="loadTypes"
               icon="el-icon-refresh"
@@ -174,6 +174,7 @@
 </template>
 
 <script>
+import { pinyin } from 'pinyin-pro'
 export default {
   name: 'CommentGeneratorPublic',
   data() {
@@ -277,10 +278,18 @@ export default {
     getInitial(it) {
       const source = (it && (it.name || it.value) || '').toString().trim()
       if (!source) return '#'
-      const ch = source[0]
-      const upper = ch.toUpperCase()
-      if (upper >= 'A' && upper <= 'Z') return upper
-      return '#'
+      const firstChar = source[0]
+      const upperAscii = firstChar.toUpperCase()
+      if (upperAscii >= 'A' && upperAscii <= 'Z') return upperAscii
+      // 中文等非 ASCII 字符，取拼音首字母
+      try {
+        const letter = pinyin(firstChar, { toneType: 'none', type: 'array' })[0]
+        if (!letter || !letter.length) return '#'
+        const initial = letter[0].toUpperCase()
+        return (initial >= 'A' && initial <= 'Z') ? initial : '#'
+      } catch(e) {
+        return '#'
+      }
     },
     selectType(it) {
       if (!it) return