fix:外部考试说明字段保存问题

src/components/drawers/AddTest.vue

@@ -219,7 +219,7 @@
             </div>
             <div class="btnbox">
               <a-input v-model:value="formData.source"
-              style="width: 400px; height: 40px; border-radius: 8px" :disabled="taskIndex >= 0 && isEdit"
+              style="width: 400px; height: 40px; border-radius: 8px"
                 placeholder="请输入数据来源" show-count :maxlength="420" />
             </div>
           </div>
@@ -228,7 +228,7 @@
               <span style="margin-right: 3px">考试说明：</span>
             </div>
             <div class="textarea">
-              <a-textarea v-model:value="formData.externalExplain" placeholder="请输入考试说明" allow-clear show-count :disabled="taskIndex >= 0 && isEdit"
+              <a-textarea v-model:value="formData.examinationExplain" placeholder="请输入考试说明" allow-clear show-count
                 :maxlength="200" :rows="6" />
             </div>
           </div>
@@ -266,7 +266,8 @@ const initValue = {
   showAnalysis: 2,
   scoringModel: 2,
   questionArrangement: 4,
-  externalExplain: ""
+  externalExplain: "",
+  examinationExplain: ""
 }
 const formData = ref(initValue)
 const innerRule = {