diff --git a/src/utils/zplGenerator.js b/src/utils/zplGenerator.js
index 58991e7..85fab95 100644
--- a/src/utils/zplGenerator.js
+++ b/src/utils/zplGenerator.js
@@ -1,5 +1,8 @@
 import { CoordinateTransformer } from './coordinateTransform.js'
 
+const DEFAULT_FONT_FILE = 'ARIAL UNICODE MS.TTF'
+const DEFAULT_FONT_LETTER = 'J'
+
 /**
  * ZPL代码生成器
  * 统一处理不同打印方向的ZPL代码生成
@@ -331,6 +334,8 @@ export class ZPLGenerator {
       '新細明體': 'P',
       'DFKai-SB': 'Q',
       '標楷體': 'Q',
+      'Arial Unicode MS': 'J',
+      'Arial Unicode': 'J',
       'Arial': 'A',
       'Times New Roman': 'S',
       'Courier New': 'T',
@@ -364,14 +369,16 @@ export class ZPLGenerator {
       'Marker Felt': 'V',
       'Zapfino': 'W',
       'Snell Roundhand': 'X',
-      'default': 'A',
-      'Default': 'A'
+      'default': 'J',
+      'Default': 'J',
+      'ARIAL UNICODE MS.TTF': 'J',
+      'ARIALUNI.TTF': 'J'
     }
 
     // 根据字体族选择字体文件和字母
     const fontFamily = element.fontFamily
-    let fontLetter = 'A'
-    let fontFile = 'ARIAL.TTF'
+    let fontLetter = DEFAULT_FONT_LETTER
+    let fontFile = DEFAULT_FONT_FILE
     if (fontFamily && fontFamily !== 'default') {
       fontFile = this.mapFontFamilyToFile(fontFamily)
       // 判断是否为中文字体
@@ -382,7 +389,7 @@ export class ZPLGenerator {
       if (chineseFonts.includes(fontFamily)) {
         fontLetter = 'J'
       } else {
-        fontLetter = fontLetterMapping[fontFamily] || 'A'
+        fontLetter = fontLetterMapping[fontFamily] || 'J'
         if (!fontLetterMapping[fontFamily]) {
           // 尝试模糊匹配
           const lowerFontFamily = fontFamily.toLowerCase()
@@ -397,9 +404,9 @@ export class ZPLGenerator {
       fontCmd += ` ^CW${fontLetter},E:${fontFile}`
       console.log(`ZPL字体映射: ${fontFamily} -> ${fontFile}, 字母: ${fontLetter}`)
     } else {
-      fontCmd += ' ^CWJ,E:ARIAL.TTF'
-      fontLetter = 'J'
-      console.log('使用默认字体: ARIAL.TTF, 字母: J')
+      fontCmd += ` ^CW${DEFAULT_FONT_LETTER},E:${DEFAULT_FONT_FILE}`
+      fontLetter = DEFAULT_FONT_LETTER
+      console.log(`使用默认字体: ${DEFAULT_FONT_FILE}, 字母: ${DEFAULT_FONT_LETTER}`)
     }
 
     // 设置字体大小
@@ -437,6 +444,10 @@ export class ZPLGenerator {
       '標楷體': 'DFKAI.TTF',
 
       // 英文字体
+      'Arial Unicode MS': DEFAULT_FONT_FILE,
+      'Arial Unicode': DEFAULT_FONT_FILE,
+      'ARIAL UNICODE MS.TTF': DEFAULT_FONT_FILE,
+      'ARIALUNI.TTF': DEFAULT_FONT_FILE,
       'Arial': 'ARIAL.TTF',
       'Times New Roman': 'TIMES.TTF',
       'Courier New': 'COUR.TTF',
@@ -476,8 +487,8 @@ export class ZPLGenerator {
       'Snell Roundhand': 'SNELLROUND.TTF',
 
       // 默认字体
-      'default': 'ARIAL.TTF',
-      'Default': 'ARIAL.TTF'
+      'default': DEFAULT_FONT_FILE,
+      'Default': DEFAULT_FONT_FILE
     }
 
     // 如果找不到精确匹配，尝试模糊匹配
@@ -490,7 +501,7 @@ export class ZPLGenerator {
       }
     }
 
-    return fontMapping[fontFamily] || 'ARIAL.TTF' // 默认返回ARIAL
+    return fontMapping[fontFamily] || DEFAULT_FONT_FILE // 默认返回Arial Unicode MS
   }
 
   /**
@@ -620,7 +631,7 @@ export class ZPLGenerator {
       const fontSize = 15 // 根据二维码大小调整字体大小
 
       // 设置中文字体支持
-      zpl += `\n^CI28^CWJ,E:ARIAL.TTF^CFJ,${fontSize}`
+      zpl += `\n^CI28^CWJ,E:${DEFAULT_FONT_FILE}^CFJ,${fontSize}`
 
       // 计算文本宽度以实现居中对齐
       const estimatedTextWidth = this.estimateTextWidth(data, fontSize)
diff --git a/src/views/modules/labelSetting/components/PropertyForm.vue b/src/views/modules/labelSetting/components/PropertyForm.vue
index 9ada75a..ac9a8b3 100644
--- a/src/views/modules/labelSetting/components/PropertyForm.vue
+++ b/src/views/modules/labelSetting/components/PropertyForm.vue
@@ -648,6 +648,14 @@
 import comShowLabelSerialInfo from "../com_show_label_serial_info";
 import { availableFont,getParentLabelInfo ,getParentSerialElements} from '@/api/labelSetting/label_setting.js'
 
+const DEFAULT_FONT_OPTION = {
+  name: '默认字体',
+  value: 'default',
+  category: 'system',
+  description: 'ARIAL UNICODE MS.TTF',
+  supported: true
+}
+
 export default {
   name: 'PropertyForm',
   props: {
@@ -659,7 +667,8 @@ export default {
   emits: ['data-source', 'image-upload', 'element-combination'],
   data() {
     return {
-      availableFonts: [],
+      // 下拉框必须始终可选default，避免后端字体列表不含default时出现空白/不可回退
+      availableFonts: [{ ...DEFAULT_FONT_OPTION }],
       fontLoading: false,
       fontsLoaded: false,
       parentSerialElements: [] // 父标签的流水号元素列表
@@ -667,11 +676,12 @@ export default {
   },
   computed: {
     groupedFonts() {
-      if (!this.availableFonts.length) {
+      const normalizedFonts = this.ensureDefaultFontOption(this.availableFonts)
+      if (!normalizedFonts.length) {
         return []
       }
       const groups = {}
-      this.availableFonts.forEach(font => {
+      normalizedFonts.forEach(font => {
         const category = font.category || 'other'
         if (!groups[category]) {
           groups[category] = {
@@ -1093,7 +1103,7 @@ export default {
       try {
         const response = await availableFont({})
         if (response.data.success) {
-          this.availableFonts = response.data.data || []
+          this.availableFonts = this.ensureDefaultFontOption(response.data.data || [])
           this.fontsLoaded = true
           console.log('加载字体列表成功，共', this.availableFonts.length, '个字体')
         } else {
@@ -1126,7 +1136,7 @@ export default {
     // 获取默认字体列表（备用方案）
     getDefaultFonts() {
       return [
-        { name: '默认字体', value: 'default', category: 'system', description: '系统默认', supported: true },
+        { ...DEFAULT_FONT_OPTION },
         { name: '微软雅黑', value: 'Microsoft YaHei', category: 'chinese', description: '中文字体', supported: true },
         { name: '宋体', value: 'SimSun', category: 'chinese', description: '中文字体', supported: true },
         { name: '黑体', value: 'SimHei', category: 'chinese', description: '中文字体', supported: true },
@@ -1136,6 +1146,27 @@ export default {
       ]
     },
 
+    ensureDefaultFontOption(fonts) {
+      const safeFonts = Array.isArray(fonts) ? fonts.filter(item => item && item.value) : []
+      const hasDefault = safeFonts.some(font => String(font.value).toLowerCase() === 'default')
+      const normalizedFonts = safeFonts.map(font => {
+        if (String(font.value).toLowerCase() !== 'default') {
+          return font
+        }
+        return {
+          ...font,
+          value: 'default',
+          category: font.category || DEFAULT_FONT_OPTION.category,
+          description: font.description || DEFAULT_FONT_OPTION.description,
+          supported: true
+        }
+      })
+      if (hasDefault) {
+        return normalizedFonts
+      }
+      return [{ ...DEFAULT_FONT_OPTION }, ...normalizedFonts]
+    },
+
     // 字体族变化处理
     onFontFamilyChange(value) {
       console.log('字体族变化:', value)