增加商业险是否过户字段

src/views/Letter/Letter.vue

@@ -91,6 +91,10 @@
           <span>是否过户车</span>
           <el-switch @change="transferFlagChange" v-model="carInfo.transferFlag" active-color="#ee7000"></el-switch>
         </div>
+        <div class="csstool">
+          <span>商业险是否过户</span>
+          <el-switch v-model="carInfo.transferFlagBi" active-color="#ee7000"></el-switch>
+        </div>
         <div class="csstool">
           <span>是否脱保</span>
           <el-switch  v-model="carInfo.outOfInsurance" active-color="#ee7000"></el-switch>