diff --git a/components/myMain.vue b/components/myMain.vue
index 34fbd20..6874a21 100644
--- a/components/myMain.vue
+++ b/components/myMain.vue
@@ -95,7 +95,7 @@
 			</rh-fixed>
 		</view>
 		<!-- #ifdef MP-WEIXIN -->
-		<canvas type="2d" style="position: absolute; left: -2000px; background: #fff"
+		<canvas type="2d" style="position: absolute; left: -2000px; width: 425px; height: 350px; background: #fff"
 			id="canvasId" ref="canvasId"></canvas>
 		<!-- #endif -->
 	</view>
@@ -359,9 +359,6 @@
 									success(res) {
 										canvas.width = res.width;
 										canvas.height = res.height + 250;
-										// 设置Canvas的CSS样式尺寸与逻辑尺寸一致，避免拉伸变形
-										canvas.style.width = res.width + 'px';
-										canvas.style.height = (res.height + 250) + 'px';
 										mycenter = canvas.width;
 										myheight = canvas.height;
 										const img = canvas.createImage();