编辑下合同编号不能修改

src/views/contract/components/addContract.vue

@@ -34,7 +34,7 @@
                             </el-input>
                         </el-form-item>
                     </el-descriptions-item>
-                    <el-descriptions-item label="合同编号" labelClassName="required">
+                    <el-descriptions-item label="合同编号" labelClassName="required" :disabled="isEdit">
                         <el-form-item prop="contractNumber">
                             <el-input placeholder="请输入合同编号" v-model="formData.contractNumber"></el-input>
                         </el-form-item>