diff --git a/layout/vDropdwon.vue b/layout/vDropdwon.vue
index 07b6f4d..15521f5 100644
--- a/layout/vDropdwon.vue
+++ b/layout/vDropdwon.vue
@@ -64,8 +64,7 @@ export default {
 				this.$nextTick(() => {
 					this.text=this.list[newVal].label;
 				})
-			},
-			immediate: true,
+			}
 		},
 	},
 	methods: {
diff --git a/pages/exchange/open-position.vue b/pages/exchange/open-position.vue
index 9a4c401..17cfc56 100644
--- a/pages/exchange/open-position.vue
+++ b/pages/exchange/open-position.vue
@@ -132,10 +132,11 @@
                         <view>
                             <!-- :placeholder="$t('contract.d2')"
                             v-model="form.amount" -->
+														<!-- 保证金 -->
                             <v-input
                                 v-model="margin"
                                 :placeholder="$t('contract.d2')"
-                                @input="sliderActive=-1"
+                                @input="marginInput"
                                 class="h-30 p-x-sm p-y-xxs rounded-xs"
 																style="background-color: #F5F5F5;"
                             >
@@ -159,7 +160,7 @@
                                           :class="sliderActive==index?'color-theme-1 active':''">
                                         {{item}}%
                                     </view> -->
-																		<slider style="width: 100%;margin:0px;" block-size="16" class="fn-center p-y-xs fn-12" value="0" @change="sliderChangeN" step="1" />
+																		<slider style="width: 100%;margin:0px;" block-size="16" class="fn-center p-y-xs fn-12" :value="sliderValue" @change="sliderChangeN" step="1" />
 																		<view style="width: 100%;display: flex;justify-content: space-between;">
 																			<text style="text-align: left;font-size: 12px;">0%</text>
 																			<text style="text-align: right;font-size: 12px;">25%</text>
@@ -832,11 +833,9 @@ export default {
             tradeList: [],
             show: false,
             accountInfo: {},
-            // 杠杆倍数
-            lever_rage: [],
-			leverShow: '',
-            // 最多可开张数
-            maxNum: 0,
+            lever_rage: [],// 杠杆倍数
+						leverShow: '',// 杠杆倍数索引
+            maxNum: 0,// 最多可开张数
             form: {
                 type: 1,
                 entrust_price: "",
@@ -867,7 +866,8 @@ export default {
             progress: [25, 50, 75, 100],
             progressPing: [25, 50, 75, 100],
             sliderActive: -1,
-            sliderActive1: 0,
+            sliderValue: 0,
+						showSliderNum: '0%',
             pingActive: 3,
             contract: "0",
             // contract:"0",
@@ -889,8 +889,7 @@ export default {
             refreshing: false,
             pingAmount: '',
             imgurl: '',
-            bao: 0,
-						showSliderNum: '0%'
+            bao: 0
         };
     },
     computed: {
@@ -912,8 +911,8 @@ export default {
         // activeCommission() {
         //   return this.commissionTypes.find((item) => this.form.type == item.value);
         // },
-        // 保证金
-        margin() {
+        marginCALCU() {
+					console.log(this.form.amount, this.unit_amount, this.form.lever_rate, '-------');
           return math.omitTo(
             (this.form.amount * this.unit_amount) / this.form.lever_rate,
             0
@@ -922,7 +921,16 @@ export default {
         amount() {
             if (this.margin == 0){
               this.margin='';
-            }
+							this.sliderValue = '0';
+							this.showSliderNum = '0%';
+            }else if(this.margin>(+this.accountInfo.usable_balance) || this.margin==this.accountInfo.usable_balance){
+							this.margin = (+this.accountInfo.usable_balance / this.form.lever_rate).toFixed(5);
+							this.sliderValue = 100;
+							this.showSliderNum = '100%';
+						}else{
+							this.sliderValue = Math.floor(this.margin * this.form.lever_rate * 100 / this.accountInfo.usable_balance);
+							this.showSliderNum = '≈'+this.sliderValue.toFixed(0)+'%';
+						}
             if (!this.form.lever_rate || !this.margin) return 0;
             let p = this.margin * this.form.lever_rate;
             p = p.toFixed(0)
@@ -950,8 +958,9 @@ export default {
     },
     watch: {
         maxNum(n) {
-            this.form.amount = Math.round((this.maxNum * this.sliderActive1) / 100);
-            this.margin = (this.form.amount / this.form.lever_rate).toFixed(5)
+            // this.form.amount = Math.round((this.maxNum * this.sliderValue) / 100);
+						// 保证金随着杠杆变换而变换
+            // this.margin = (this.form.amount / this.form.lever_rate).toFixed(5)
         },
         symbol() {
             this.$emit("symbols", this.symbol)
@@ -1355,6 +1364,12 @@ export default {
 								label: item,
 								value: item,
 							}));
+							for(let item =0;item<this.lever_rage.length;item++){
+								if(res.data.default_lever==this.lever_rage[item].value){
+									// leverShow 要传给v-dropdwon组件作为查找默认text
+									this.leverShow = item.toString();
+								}
+							}
 							
 							let e={value:res.data.default_lever, label: res.data.default_lever}
 							this.openNum(e);
@@ -1366,7 +1381,6 @@ export default {
         // 获取可开启张数
         openNum(e) {
 						// console.log(e, '切换杠杆', this.lever_rage);
-            if (!this.isLogin) return;
             let data = {
                 symbol: this.symbolLeft, //ETH
                 lever_rate: this.form.lever_rate, //10
@@ -1383,6 +1397,7 @@ export default {
 								}
 								// console.log('111111111111', this.leverShow, this.form.lever_rate);
             }
+            if (!this.isLogin) return;
             Contract.openNum(data, {toast: false}).then((res) => {
                 this.maxNum = res.data;
             });
@@ -1439,15 +1454,16 @@ export default {
                 // this.openNum()
             });
         },
-				// 设置数量
+				// 保证金设置数量
 				sliderChangeN(e){
 					console.log('value 发生变化：' + e.detail.value);
 					let num = e.detail.value;
-					this.showSliderNum = num+"%";
-					this.form.amount = Math.round((this.maxNum * num) / 100);
-					// this.sliderActive = i
-					this.sliderActive1 = num
-					this.margin = (this.form.amount / this.form.lever_rate).toFixed(5)
+					this.showSliderNum = num.toFixed(0)+"%";
+					this.form.amount = Math.round((this.accountInfo.usable_balance * num) / 100);
+					// this.sliderActive = this.sliderValue
+					console.log(this.form.amount, this.form.lever_rate);
+					this.sliderValue = num;
+					this.margin = (this.form.amount / this.form.lever_rate).toFixed(2)
 				},
 				// sliderChange($ev) {
 				//   this.form.amount = Math.round((this.maxNum * $ev) / 100)||'';
@@ -1462,6 +1478,20 @@ export default {
             this.sliderActive1 = n
             this.margin = (this.form.amount / this.form.lever_rate).toFixed(5)
         },
+				// 输入保证金数量
+				marginInput(e){
+					this.sliderValue = Math.floor(this.margin * this.form.lever_rate * 100 / this.accountInfo.usable_balance)
+					// console.log(this.sliderValue, 2);
+					if(this.sliderValue==0){
+						this.showSliderNum = '0%';
+					}else if(this.sliderValue>100 || this.sliderValue==100){
+						this.margin = (+this.accountInfo.usable_balance / this.form.lever_rate).toFixed(5);
+						this.sliderValue = 100;
+						this.showSliderNum = '100%';
+					}else{
+						this.showSliderNum = '≈'+this.sliderValue.toFixed(0)+'%';
+					}
+				},
         pingChange(n, i) {
             console.log(n)
             this.pingAmount = Math.round((this.activeItem.avail_position * n) / 100);