修改bug116

src/xt_pages/supply/components/addSupply.vue

               <el-input
                 v-model="supplier.vatRate"
                 @keyup.native="supplier.vatRate = oninput(supplier.vatRate)"
-              ></el-input>
+              ></el-input>%
             </el-form-item>
           </el-col>
         </el-row>