修改默认videos问题

src/components/easy/studyStudent.vue

@@ -2854,7 +2854,7 @@ export default {
       isAnswer: false,
       timer: null,
       opertimer: null,
-      showType: 0,
+      showType: '',
       fileType: 0,
       showPDF: false,
       noteName: "",

src/components/easy2/studyStudent.vue

@@ -16692,7 +16692,7 @@ export default {
       timer: null,
       timer2: null,
       opertimer: null,
-      showType: 0,
+      showType: '',
       fileType: 0,
       showPDF: false,
       noteName: "",

src/components/studyStudent.vue

@@ -12968,7 +12968,7 @@ export default {
       timer: null,
       timer2: null,
       opertimer: null,
-      showType: 0,
+      showType: '',
       fileType: 0,
       showPDF: false,
       noteName: "",