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				@@ -1,5 +1,5 @@ 
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				 <template> 
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				-	<Layout @instruct="handleInstruct" @switchCamera="switchCamera()" @takePhoto="takePhoto" > 
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				+	<Layout ref="Layout" @instruct="handleInstruct" @switchCamera="switchCamera()" @takePhoto="takePhoto" > 
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				 		<camera class="camera"  mode="normal" :device-position="device" @error="error" 
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				 			style="width: 100%; height: 100%;"> 
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				 			<cover-view class="cover-view"> 
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				@@ -63,6 +63,9 @@ 
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				 			// this.coverImage = '/static/images/portrait.jpg' 
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				 		}, 
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				 		methods: { 
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				+			initShow() { 
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				+				this.$refs.Layout.initShow() 
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				+			}, 
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				 			navTo() { 
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				 				uni.navigateTo({ 
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				 					url: "/pages_user/tongue/ques" 
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