fix answerType

src/modules/questions/views/EditOtherQuestion.vue

@@ -261,6 +261,7 @@ export default {
         questionType: "",
         difficultyDegree: "",
         publicity: true,
+        answerType: "",
         quesProperties: [],
         score: 0
       },

src/modules/questions/views/EditSelectQuestion.vue

@@ -251,6 +251,7 @@ export default {
         courseNo: "",
         difficultyDegree: "",
         publicity: true,
+        answerType: "",
         quesProperties: [],
         score: 1
       },