fix:#1498

src/views/market/spot_trade/spot_trade_order_transaction/spot_trade_order_transaction_swap/components/post_buying/index.vue

@@ -85,8 +85,8 @@
                                 :min="0"
                                 :max="getMaxNum()"
                                 v-model:value="formState.OrderQty" />
-                <MinusOutlined @click="increaseNum" />
-                <PlusOutlined @click="decreaseNum" />
+                <MinusOutlined @click="decreaseNum" />
+                <PlusOutlined @click="increaseNum" />
                 <span class="input-enumdicname">{{selectedRow.enumdicname}}</span>
               </a-form-item>
             </a-col>