修改

src/views/system/trainingItem/index.vue

@@ -470,6 +470,7 @@
         <el-form-item label="培训课程名称" prop="trainingItemTitle">
           <el-input
             style="width: 250px"
+            maxlength="100"
             v-model="form.trainingItemTitle"
             placeholder="请输入培训课程名称"
           />
@@ -568,6 +569,7 @@
             :change="checkPrice()"
             style="width: 250px"
             v-model="form.trainingItemPrice"
+            maxlength="7"
             placeholder="请输入培训课程价格"
             clearable
           />
@@ -591,7 +593,7 @@
         <el-form-item label="培训课程排序" prop="trainingItemSort">
           <el-input
             oninput="value=value.replace(/[^\d]/g,'')"
-            maxlength="5"
+            maxlength="8"
             style="width: 250px"
             clearable
             v-model.number="form.trainingItemSort"
@@ -637,6 +639,7 @@
           <el-input
             type="textarea"
             :rows="5"
+            maxlength="300"
             style="width: 840px"
             placeholder="请输入培训课程详情"
             v-model="form.trainingItemDetails"
@@ -947,7 +950,7 @@ export default {
             itemDirectoryUrl: null,
             itemDirectoryIntroduce: null,
             itemDirectorySort: null,
-            idd: 1,
+        
           },
         ],
       },
@@ -1083,6 +1086,7 @@ export default {
         }
       }
     },
+  
     // 章节视频
     itemDirectoryUrl(item) {
       let items = JSON.parse(item);
@@ -1250,6 +1254,7 @@ export default {
             itemDirectoryUrl: null,
             itemDirectoryIntroduce: null,
             itemDirectorySort: null,
+            idd: this.idd,
           },
         ],
         trainingParentId: "",