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				@@ -95,7 +95,8 @@ export default{ 
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				 				circular : true, 
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				 			}, 
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				 			fetch: { 
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				-				is_buy : false, 
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				+				is_read : false, 
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				+				is_ticket : false, 
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				 				info : {}, 
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				 				button : {},
 
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				 				code : '',
 
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				@@ -145,8 +146,8 @@ export default{ 
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				 				return;
 
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				 			} 
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				-			//是否购买 
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				-			if (!this.fetch.is_buy) { 
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				+			//是否已经有权限阅读 
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				+			if (!this.fetch.is_read) { 
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				 				this.showBuy(); 
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				 			} else { 
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				 				this.view(); 
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				@@ -168,8 +169,10 @@ export default{ 
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				 				self.hideInvite();
 
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				 			});
 
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				 		},
 
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				-		showBuy : function() {
 
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				-			this.buyState = true;
 
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				+		showBuy : function() { 
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				+			if (this.fetch.is_ticket) { 
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				+				this.buyState = true; 
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				+			}
 
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				 		},
 
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				 		hideBuy : function() {
 
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				 			this.buyState = false;
 
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