修改

src/components/practice/answer.vue

@@ -7,7 +7,7 @@
       <div class="answer-result right" v-if="showAns&&ansStatus">
         <img src="@/assets/img/practice/right-result.png" alt="">回答正确
       </div>
-      正确答案：{{answer.replace(/,/g,'')}}
+      正确答案：{{answer&&answer.replace(/,/g,'')}}
     </div>
     <div class="answer-analysis">
       <span class="analysis-t">解析:</span>

src/components/practice/textCase.vue

@@ -45,7 +45,7 @@ export default {
       videoUrl:videoUrl,
       getVideo:getVideo,
       imgUrl:imgUrl,
-      open:false,
+      open:true,
       autoHeight:null,
       slotHeight:null,
       videoOpen:false,

src/utils/global.js

@@ -31,9 +31,9 @@ export const videoUrl = function(link){
   return `${process.env.BASE_API}/file/file/download/${link}`
 }
 export const getVideo = function(data){
-  return `${process.env.BASE_API}file/${data}/index.m3u8`
+  return `${process.env.BASE_API}/file/${data}/index.m3u8`
 }
 export const imgUrl = function(link){
   // return `${process.env.BASE_API}/file/file/?fileName=${link}&isOnLine=true`
-  return `${process.env.BASE_API}file/${link}`
+  return `${process.env.BASE_API}/file/${link}`
 }

src/views/weekPractice/practice.vue

@@ -293,8 +293,8 @@ export default {
     },
     _changeScore(answer,type){
       let num = 0
-      this.rightAns.indexOf(type) != -1 && (num += 1)
-      this.userAns.indexOf(type) != -1 && (num += 2)
+      this.rightAns&&this.rightAns.indexOf(type) != -1 && (num += 1)
+      this.userAns&&this.userAns.indexOf(type) != -1 && (num += 2)
       this.currentStatus[answer] = num
     },