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src/components/Adult/preview/ArticleViewChs/Practicechs.vue

@@ -408,7 +408,9 @@
         :curQue="curQue"
         :sentList="resObj.sentList"
         :sentIndex="sentIndex"
-        :mp3="curQue.mp3_list[0].id"
+        :mp3="
+          curQue.mp3_list && curQue.mp3_list[0] ? curQue.mp3_list[0].id : ''
+        "
         :noFont="noFont"
         :NNPENewWordList="NNPENewWordList"
         :currentTreeID="currentTreeID"

src/components/Adult/preview/DialogueArticleViewChs/Practicechs.vue

@@ -510,7 +510,9 @@
         :curQue="curQue"
         :sentList="resObj.sentList"
         :sentIndex="sentIndex"
-        :mp3="curQue.mp3_list[0].id"
+        :mp3="
+          curQue.mp3_list && curQue.mp3_list[0] ? curQue.mp3_list[0].id : ''
+        "
         :noFont="noFont"
         :NNPENewWordList="NNPENewWordList"
         :currentTreeID="currentTreeID"

src/components/Adult/preview/DialogueArticleViewChs/index.vue

@@ -145,7 +145,9 @@
         :curQue="curQue"
         :sentList="resObj.sentList"
         :sentIndex="0"
-        :mp3="curQue.mp3_list[0].id"
+        :mp3="
+          curQue.mp3_list && curQue.mp3_list[0] ? curQue.mp3_list[0].id : ''
+        "
         :noFont="noFont"
         :NNPENewWordList="NNPENewWordList"
         :currentTreeID="currentTreeID"