diff --git a/pages/print/bluetoothPrinter.vue b/pages/print/bluetoothPrinter.vue
index 9a5308d..f06a3c3 100644
--- a/pages/print/bluetoothPrinter.vue
+++ b/pages/print/bluetoothPrinter.vue
@@ -89,8 +89,8 @@
 					</view>
 				</view>
 			</template>
-			<canvas canvas-id="shareCanvas" :style="{width:canvas_width+'px', height: canvas_height+'px'}"></canvas>
 		</tpx-layout>
+		<canvas canvas-id="shareCanvas" :style="{width:canvas_width+'px', height: canvas_height+'px'}"></canvas>
 	</tpx-page>
 </template> 
 
@@ -174,6 +174,7 @@ export default {
 		},
 		// 停止搜寻附近的蓝牙外围设备
 		async stopDiscoveryPrinter () {
+			let res = await this.renderPic()
 			uni.stopBluetoothDevicesDiscovery()
 		},
 		async handleSelectDeviceId (item) {