合同类型调整为必填

src/views/modules/cw/workContract/contractRegisitionAddForm/ContractAddForm.vue

@@ -74,6 +74,7 @@
         <el-col :span="12">
           <el-form-item label="合同类型" prop="contractType"
                         :rules="[
+                        {required: true, message: '合同类型不能为空', trigger: 'change'}
                  ]">
             <el-select v-model="inputForm.contractType" placeholder="请选择合同类型" style="width:100%;">
               <el-option