diff --git a/docs/guide/option.md b/docs/guide/option.md
index 4b052ba..e03b1c7 100644
--- a/docs/guide/option.md
+++ b/docs/guide/option.md
@@ -55,6 +55,7 @@ interface IEditorOption {
   checkbox?: ICheckboxOption; // 复选框信息。{width?:number; height?:number; gap?:number; lineWidth?:number; fillStyle?:string; fontStyle?: string;}
   cursor?: ICursorOption; // 光标样式。{width?: number; color?: string; dragWidth?: number; dragColor?: string;}
   title?: ITitleOption; // 标题配置。{ defaultFirstSize?: number; defaultSecondSize?: number; defaultThirdSize?: number defaultFourthSize?: number; defaultFifthSize?: number; defaultSixthSize?: number;}
+  placeholder?: IPlaceholder; // 编辑器空白占位文本
 }
 ```
 
@@ -105,4 +106,16 @@ interface IWatermark {
   size?: number; // 字体大小。默认：200
   font?: string; // 字体。默认：Yahei
 }
+```
+
+## 占位文本配置
+
+```typescript
+interface IPlaceholder {
+  data: string; // 文本。
+  color?: string; // 颜色。默认：#DCDFE6
+  opacity?: number; // 透明度。默认：1
+  size?: number; // 字体大小。默认：16
+  font?: string; // 字体。默认：Yahei
+}
 ```
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