通过费用配置筛选合适的协议

src/views/Letter/Letter.vue

@@ -1357,7 +1357,7 @@
                   :key="agreementindex"
                 >
                   <div
-                    v-if="agreementitem.licenseNo && agreementitem.licenseNo.length > 0 ? agreementitem.licenseNo.includes(carInfo.licenseNo.slice(0, 2)) : 'true'"
+                    v-if="agreementitem.licenseNo && agreementitem.licenseNo.length > 0 && carInfo.licenseNo.length > 0 ? agreementitem.licenseNo.includes(carInfo.licenseNo.slice(0, 2)) : 'true'"
                   >
                     <el-option :label="agreementitem.agreementName" :value="agreementitem.id"></el-option>
                   </div>