diff --git a/docs/api/canvas/canvasToTempFilePath.md b/docs/api/canvas/canvasToTempFilePath.md
index fad2d38c63516c18daccd2dec6c93d104fe909af..1a00feb759c689e5acc2a8a6eac32b8488513c5a 100644
--- a/docs/api/canvas/canvasToTempFilePath.md
+++ b/docs/api/canvas/canvasToTempFilePath.md
@@ -11,7 +11,7 @@
 **object参数说明：**
 
 |参数	|类型		|必填		|说明	|
-|---|---|---|---|---|
+|---|---|---|---|
 |x	|Number		|否			|画布x轴起点（默认0）|					
 |y	|Number		|否			|画布y轴起点（默认0）|					
 |width	|Number		|否			|画布宽度（默认为canvas宽度-x）|