一个非常诡异的bug，升级了一下axios的版本就好了

package.json

@@ -14,7 +14,7 @@
     "test:ci": "npm run lint && npm run test:unit"
   },
   "dependencies": {
-    "axios": "0.21.2",
+    "axios": "0.21.4",
     "core-js": "3.6.5",
     "element-ui": "2.15.14",
     "js-cookie": "2.2.0",

src/api/vehicle/instance.js

@@ -62,24 +62,26 @@ export function instanceCheckPosition(vin, positionCode) {
 /**
  * 车辆报文控制
  * @param vin
+ * @param msgCode
  * @returns {*}
  */
 export function instanceMsg(vin, msgCode) {
   return request({
     url: `/vehicle/instance/msg`,
     method: 'post',
-    data: { 'vin': vin, 'msgCode': msgCode}
+    data: { 'vin': vin, 'msgCode': msgCode }
   })
 }
 /**
  * 车辆档位
  * @param vin
+ * @param gear
  * @returns {*}
  */
 export function instanceGear(vin, gear) {
   return request({
     url: `/vehicle/instance/gear`,
     method: 'post',
-    data: { 'vin': vin, 'gear': gear}
+    data: { 'vin': vin, 'gear': gear }
   })
 }

src/views/vehicle/index.vue

@@ -173,7 +173,7 @@
           <h3 style="color: red">一行一个VIN，多VIN进行换行</h3>
           <el-form ref="form" :model="addForm" label-position="top" label-width="80px">
             <el-form-item label="车辆VIN">
-              <el-input type="textarea" v-model="addForm.vinStr"></el-input>
+              <el-input type="textarea" :rows="35" v-model="addForm.vinStr"></el-input>
             </el-form-item>
             <el-form-item>
               <el-button type="primary" @click="vehicleCreate">添加车辆</el-button>