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				@@ -91,7 +91,7 @@ export default { 
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				       type: [String, Boolean], 
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				       /* eslint-disable max-len */ 
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				       default: 
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				-        'fontselect fontsizeselect forecolor backcolor | underline | bold italic strikethrough alignleft aligncenter alignright | bullist numlist | image media | link blockquote hr mathjax', 
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				+        'fontselect fontsizeselect forecolor backcolor | lineheight underline | bold italic strikethrough alignleft aligncenter alignright | bullist numlist | image media | link blockquote hr mathjax', 
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				     }, 
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				     wordlimitNum: { 
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				       type: [Number, Boolean], 
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				@@ -139,11 +139,10 @@ export default { 
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				       id: getRandomNumber(), 
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				       init: { 
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				         content_style: ` 
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				-          p{line-height: 1;} 
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				           mjx-container, mjx-container * { 
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				             font-size: 16px !important; /* 强制固定字体 */ 
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				             line-height: 1.2 !important; /* 避免行高影响 */ 
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				-          } `, // 解决公式每点击一次字体就变大 
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				+          }`, // 解决公式每点击一次字体就变大 
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				         valid_elements: '*[*]', // 允许所有标签和属性 
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				         valid_children: '+body[style]', // 允许 MathJax 的样式 
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				         extended_valid_elements: 'span[*],mjx-container[*],svg[*],path[*]', // 明确允许 MathJax 标签 
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				@@ -157,8 +156,9 @@ export default { 
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				         min_height: this.height, 
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				         width: '100%', 
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				         autoresize_bottom_margin: 0, 
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				-        plugins: 'link lists image hr media autoresize ax_wordlimit paste', 
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				+        plugins: 'link lists image hr media autoresize ax_wordlimit paste lineheight', 
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				         toolbar: this.toolbar, // 工具栏 
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				+        lineheight_formats: '0.5 1.0 1.2 1.5 2.0 2.5 3.0', // 行高选项(倍数) 
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				         contextmenu: false, // 右键菜单 
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				         menubar: false, // 菜单栏 
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				         branding: false, // 品牌 
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