diff --git a/exchange.html b/exchange.html
index 65acb3c..b1618c4 100644
--- a/exchange.html
+++ b/exchange.html
@@ -293,8 +293,8 @@
       //兑换商品
       exchangeGoodsFn () {
         if (goodsDetail.available != 1) {
-          if(this.goodsDetail.available === 23 && this.goodsDetail.available.period_tips_text) {
-            return this.openErrorDialog(this.goodsDetail.available.period_tips_text)
+          if(this.goodsDetail.available === 23 && this.goodsDetail.period_tips_text) {
+            return this.openErrorDialog(this.goodsDetail.period_tips_text)
           } else {
             return this.openErrorDialog(product_status(goodsDetail.available, goodsDetail));
           }
diff --git a/packkey/exchange.html b/packkey/exchange.html
index 393325d..691bc19 100644
--- a/packkey/exchange.html
+++ b/packkey/exchange.html
@@ -341,8 +341,8 @@
       //兑换商品
       exchangeGoodsFn () {
         if (goodsDetail.available != 1) {
-          if(this.goodsDetail.available === 23 && this.goodsDetail.available.period_tips_text) {
-            return this.openErrorDialog(this.goodsDetail.available.period_tips_text)
+          if(this.goodsDetail.available === 23 && this.goodsDetail.period_tips_text) {
+            return this.openErrorDialog(this.goodsDetail.period_tips_text)
           } else {
             return this.openErrorDialog(product_status(goodsDetail.available, goodsDetail));
           }