diff --git a/components/tpx-bluetooth-print/tpx-bluetooth-print.vue b/components/tpx-bluetooth-print/tpx-bluetooth-print.vue
index 266b8bf..4b40bd8 100644
--- a/components/tpx-bluetooth-print/tpx-bluetooth-print.vue
+++ b/components/tpx-bluetooth-print/tpx-bluetooth-print.vue
@@ -11,9 +11,12 @@
 				<template v-slot:header></template>
 				<template v-slot:body>
 					<view v-for="(imgUrl, index) in imageUrl" class="mb-20">
-						<u-row justify="center" @click="handlePreview(index)">
-							<image :src="imgUrl" mode="widthFix" style="max-width: 100%;"></image>
-						</u-row>
+						<!-- canvas绘图后再显示预览图 -->
+						<view v-if="allImgRes.length > 0">
+							<u-row justify="center" @click="handlePreview(index)">
+								<image :src="imgUrl" mode="widthFix" style="max-width: 100%;"></image>
+							</u-row>
+						</view>
 					</view>
 				</template>
 				<template v-slot:footer>