diff --git a/src/assets/img/bg/college_bg.png b/src/assets/img/bg/college_bg.png
new file mode 100644
index 0000000..4a1d8c2
Binary files /dev/null and b/src/assets/img/bg/college_bg.png differ
diff --git a/src/components/CommonFooter.vue b/src/components/CommonFooter.vue
index ada65e2..26a2b37 100644
--- a/src/components/CommonFooter.vue
+++ b/src/components/CommonFooter.vue
@@ -19,7 +19,7 @@
         <div class="footer-upper-section-lang">
           <button class="lang_now" @click="toggleMenu">{{ nativeLang }}</button>
           <div class="lang_menu" :class="showMenu?'show':'hide'">
-            <div class="item" v-for="(item1, index1) in langList" :key="index1">
+            <div class="item" v-for="(item1, index1) in langList" :key="index1" @click.prevent="chooseNative(item1.value)">
             {{ item1.label }}
           </div>
           </div>
@@ -245,7 +245,7 @@
       </div>
       <div class="footer-right">
         <div style="font-size: 20px;">{{ $t("homeNewText.cc1") }}</div>
-        <div class="jump_btn">{{ $t("homeNewText.cc2") }}</div>
+        <router-link class="jump_btn" to="/exchange">{{ $t("homeNewText.cc2") }}</router-link>
         <img src="" alt="" style="width: 120px;height: 120px;">
         <div style="font-size: 16px; color: #9c9c9c;margin-top: 12px;">{{ $t("homeNewText.cc3") }}</div>
       </div>
@@ -361,6 +361,14 @@ export default {
       e.stopPropagation();
       this.showMenu = !this.showMenu;
     },
+    chooseNative(native) {
+      // 设置语言
+
+      localStorage.setItem("lang", native);
+
+      // 刷新页面
+      this.$router.go(0);
+    },
     getCollegeLinks() {
       College.getCategoryList()
         .then((list) => {
@@ -477,7 +485,12 @@ export default {
           &::-webkit-scrollbar-thumb { background-color: transparent;}
 
           .item{
-            padding: 5px 10px;
+            padding: 10px;
+            cursor: pointer;
+            text-align: center;
+          }
+          .item:hover{
+            background-color: #f8f9fa;
           }
           
           &.show{
diff --git a/src/views/college/index.vue b/src/views/college/index.vue
index 0faf230..58b6c79 100644
--- a/src/views/college/index.vue
+++ b/src/views/college/index.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="course-page">
     <div class="topcontent">
-        <img src="" alt="" style="height: 447px;width: 650px;margin-right:134px;">
+        <img src="../../assets/img/bg/college_bg.png" alt="" style="height: 447px;width: 650px;margin-right:134px;">
         <div>
             <div style="font-size: 60px;width: 540px;">{{$t('college.text1')}}</div>
             <div style="font-size: 36px;width: 540px;">{{$t('college.text2')}}</div>
@@ -63,7 +63,7 @@
         </div>
     </div>
     <!-- 列表 -->
-    <div class="container course-list" style="width: 1300px !important;max-width:none;">
+    <div class="container course-list" style="width: 1320px !important;max-width:none;padding: 0px;">
         <div class="row mt-3" v-for="(item, index) in categoryList" :key="index">
             <div class="col-12">
                 <div class="title h3 my-4 d-flex justify-content-between align-items-center mb-5">
@@ -83,6 +83,8 @@
                             <div class="txt">
                                 {{article.title}}
                             </div>
+                            <div class="txt2" v-html="article.body"></div>
+                            <div class="txt2">{{article.updated_at}}</div>
                         </router-link>
                     </div>
                 </div>
@@ -195,4 +197,31 @@ export default {
 .course-page .banner .right .video{
     height: 100%;
 }
+.course-page .course-list .item .banner{
+    width: 310px;
+    height: 164px;
+    border-radius: 10px;
+    margin-bottom: 35px;
+}
+.course-page .course-list .item .txt{
+    padding: 0px 45px 0px 25px;
+    font-size: 22px;
+    color: #fff;
+    margin-bottom: 18px;
+    display: -webkit-box;
+    -webkit-box-orient: vertical;
+    -webkit-line-clamp: 2;
+    overflow: hidden;
+    height: 66px;
+}
+.course-page .course-list .item .txt2{
+    padding: 0px 45px 0px 25px;
+    font-size: 16px;
+    color: #929292;
+    margin-bottom: 18px;
+    display: -webkit-box;
+    -webkit-box-orient: vertical;
+    -webkit-line-clamp: 2;
+    overflow: hidden;
+}
 </style>
diff --git a/src/views/college/list.vue b/src/views/college/list.vue
index c8ae908..d37f75b 100644
--- a/src/views/college/list.vue
+++ b/src/views/college/list.vue
@@ -1,15 +1,23 @@
 <template>
-<div>
-    <secondary-nav />
-    <!-- 导航的公用的，样式不要乱改 -->
+<div style="background-color: #121212;">
+    <!-- <secondary-nav /> -->
+    <!-- 二级导航公用的，样式不要乱改 -->
     <!-- 列表 -->
-    <div class="container course-list">
-        <div class="row mt-3">
+    <div class="container course-list" style="width: 1320px !important;max-width:none;padding: 10px 0px;">
+        <div class="row">
             <div class="col-12">
                 <el-breadcrumb separator-class="el-icon-arrow-right">
-                    <el-breadcrumb-item :to="{ path: '/college' }">{{$t('college.college')}}</el-breadcrumb-item>
-                    <el-breadcrumb-item :to="{ path: `/college/list/${cid}`}">{{title}}</el-breadcrumb-item>
+                    <el-breadcrumb-item :to="{ path: '/college' }" class="fn-18">{{$t('college.college')}}</el-breadcrumb-item>
+                    <el-breadcrumb-item :to="{ path: `/college/list/${cid}`}" class="fn-18" style="color: #fff;">{{title}}</el-breadcrumb-item>
                 </el-breadcrumb>
+
+                <!-- 新二级导航 -->
+                <ul class="SecondaryNavUl">
+                    <li class="SecondaryNavList" v-for="(item,index) in itemList" :key="index">
+                        <router-link :to="item.url" active-class="SecondaryNavActive">{{item.label}}</router-link>
+                    </li>
+                </ul>
+
                 <div class="title h3 my-4">{{title}}</div>
                 <div class="row justify-content-between">
                     <router-link :to="`/college/detail/${cid}/${item.id}`" class="item col-lg-3 col-md-6 mb-4 col-xs-12" v-for="(item,index) in articleList" :key="index">
@@ -20,6 +28,8 @@
                         <div class="txt">
                             {{item.title}}
                         </div>
+                        <div class="txt2" v-html="item.body"></div>
+                        <div class="txt2">{{item.updated_at}}</div>
                     </router-link>
                 </div>
             </div>
@@ -36,11 +46,13 @@ export default {
         return {
             cid: this.$route.params.cid,
             articleList: [],
+            itemList: [],// 二级导航
         }
     },
     computed: {
         title() {
             let key = this.cid;
+            console.log(this.cid, 'this.cid')
             switch (key) {
                 case 'novice':
                     return this.$t('college.noviceTutorial')
@@ -54,6 +66,14 @@ export default {
                     return this.$t('college.media')
                 case 'OkChain':
                     return 'OkChain'
+                case '18':
+                    return this.$t('common.noviceTutorial')
+                case '21':
+                    return this.$t('college.TradingStrategy')
+                case '22':
+                    return this.$t('college.industryResearch')
+                case '32':
+                    return this.$t('home.news')
             }
         }
     },
@@ -63,7 +83,18 @@ export default {
                 this.articleList = data;
 
             }).catch();
-        }
+        },
+        getCollegeLinks() {
+            College.getCategoryList().then(list => {
+                list.forEach(item => {
+                    this.itemList.push({
+                        url : `/college/list/${item.id}`,
+                        label : item.name
+                    })
+                })
+            }).catch(err => {});
+           
+        },
     },
     watch: {
         $route() {
@@ -72,10 +103,72 @@ export default {
         }
     },
     created() {
+        this.getCollegeLinks();
         this.getArticleList();
     },
 };
 </script>
 
-<style>
+<style scoped>
+.course-list .item .banner{
+    width: 310px;
+    height: 164px;
+    border-radius: 10px;
+    margin-bottom: 35px;
+    overflow: hidden;
+}
+.course-list .item .banner img{
+    width: 310px;
+    height: 164px;
+}
+.course-list .item .txt{
+    padding: 0px 45px 0px 25px;
+    font-size: 22px;
+    color: #fff;
+    margin-bottom: 18px;
+    display: -webkit-box;
+    -webkit-box-orient: vertical;
+    -webkit-line-clamp: 2;
+    overflow: hidden;
+    height: 66px;
+}
+.course-list .item .txt2{
+    padding: 0px 45px 0px 25px;
+    font-size: 16px;
+    color: #929292;
+    margin-bottom: 18px;
+    display: -webkit-box;
+    -webkit-box-orient: vertical;
+    -webkit-line-clamp: 2;
+    overflow: hidden;
+}
+.SecondaryNavUl{
+    display: flex;
+    height: 72px;
+}
+.SecondaryNavUl .SecondaryNavList{
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    margin-right: 60px;
+    height: 100%;
+}
+.SecondaryNavUl .SecondaryNavList a{
+    color: #929292;
+    font-size: 24px;
+}
+.SecondaryNavUl .SecondaryNavList .SecondaryNavActive {
+    color: #fff !important;
+}
+
+
+.el-breadcrumb__item:last-child::v-deep .el-breadcrumb__inner::v-deep{
+    color: #fff !important;
+    /* 写不进去，无效代码 */
+}
+/deep/ .el-breadcrumb__item:last-child .el-breadcrumb__inner{
+    color: #fff !important;
+    /* 写进去，有效代码 */
+}
+
 </style>
diff --git a/src/views/components/inner-transfer.vue b/src/views/components/inner-transfer.vue
index 67619de..b4b881e 100644
--- a/src/views/components/inner-transfer.vue
+++ b/src/views/components/inner-transfer.vue
@@ -84,9 +84,10 @@
               step="0.000001"
               min="0"
               :placeholder="$t('wallet.strokes')"
+              style="border-radius:5px;"
             />
             <div class="input-group-append">
-              <span class="input-group-text fn-12">
+              <span class="input-group-text fn-12" style="border:none;background-color:transparent;color: #999;">
                 {{ $t("wallet.balance") }}：
                 <span class="fn-14">{{
                   activeCoin.usable_balance | omitTo(4)
@@ -408,49 +409,20 @@ export default {
     background-image: none;
   }
 
-
+</style>
+<style scoped>
 /** 內部資金劃轉输入框修改
+在 scss 里面使用::v-deep修改无效
+ */
 
-.settings.wallet-page input,
-.el-select .el-input__inner, 
-input,
 .form-control{
   color: #101010 !important;
   background-color: #fff !important;
 }
 
-.el-select{
-  border: 5px solid #F00;
-}
-.el-select .el-input__inner{
-  color: #101010 !important;
-  background-color: #fff !important;
-  border: 5px solid #F00;
-}
-.el-input__inner{
-  color: #101010 !important;
-  background-color: #fff !important;
-  border: 5px solid #Ff0;
-}
-.el-input__inner::v-deep{
-  color: #101010 !important;
-  background-color: #fff !important;
-}
-.el-select::v-deep .el-input__inner{
-  color: #101010 !important;
-  background-color: #fff !important;
-}
-.el-select::v-deep .el-input__inner::v-deep{
+/deep/ .el-input__inner{
   color: #101010 !important;
   background-color: #fff !important;
 }
-el-select::v-deep .el-input__inner{
-  color: #101010 !important;
-  background-color: #fff !important;
-}
-.el-cascader{
-  border: 5px solid #F00;
-}
- */
 
-</style>
+</style>
\ No newline at end of file
diff --git a/src/views/contract/account.vue b/src/views/contract/account.vue
index 52b5b62..1109d82 100644
--- a/src/views/contract/account.vue
+++ b/src/views/contract/account.vue
@@ -1,17 +1,17 @@
 <template>
     <div class="account">
         <div class="markets-pair-list">
-            <div class="nav justify-content-between">
+            <div class="nav justify-content-between" style="border-bottom: 1px solid #2e2e2e;">
                 <div class="nav-item">
                 <a class="nav-link">{{$t('contract.a0')}}</a>
                 </div>
                 <div class="d-flex justify-content-between align-items-center">
-                <router-link to="/wallet/assets/exchange" class="border border-primary rounded text-primary p-1" >
+                <router-link to="/wallet/assets/exchange" class="border-primary rounded text-primary p-1" >
                     {{$t('contract.a1')}}
                 </router-link>
                 </div>
             </div>
-            <div class="">
+            <div class="py-2">
                 <div class="d-flex p-3 justify-content-between">
                     <div>{{$t('contract.a2')}}（USDT）</div>
                     <div>{{ accountInfo.account_equity || "--" }}</div>
diff --git a/src/views/contract/exchange-store.vue b/src/views/contract/exchange-store.vue
index 4cbd325..fdb559e 100644
--- a/src/views/contract/exchange-store.vue
+++ b/src/views/contract/exchange-store.vue
@@ -154,6 +154,30 @@
           <input type="checkbox" name="" id="" v-model="checkboxBuy">
           <div>{{ $t("contact.Profit&Loss") }}</div>
         </div>
+        <template v-if="checkboxBuy">
+          <div class="input-group mb-4 input-group-sm">
+            <div class="input-group-prepend">
+              <span class="input-group-text">{{ $t("contract.j3") }}</span>
+            </div>
+            <input
+                type="number"
+                class="form-control"
+                v-model="buyform.pri1"
+                :placeholder="tips"
+            />
+          </div>
+          <div class="input-group mb-4 input-group-sm">
+            <div class="input-group-prepend">
+              <span class="input-group-text">{{ $t("contract.j4") }}</span>
+            </div>
+            <input
+                type="number"
+                class="form-control"
+                v-model="buyform.pri2"
+                :placeholder="tips"
+            />
+          </div>
+        </template>
       </div>
       <!-- 卖出表单 -->
       <div style="width: 50%;" class="px-3">
@@ -240,6 +264,30 @@
           <input type="checkbox" name="" id="" v-model="checkboxSell">
           <div>{{ $t("contact.Profit&Loss") }}</div>
         </div>
+        <template v-if="checkboxSell">
+          <div class="input-group mb-4 input-group-sm">
+            <div class="input-group-prepend">
+              <span class="input-group-text">{{ $t("contract.j3") }}</span>
+            </div>
+            <input
+                type="number"
+                class="form-control"
+                v-model="sellform.pri1"
+                :placeholder="tips"
+            />
+          </div>
+          <div class="input-group mb-4 input-group-sm">
+            <div class="input-group-prepend">
+              <span class="input-group-text">{{ $t("contract.j4") }}</span>
+            </div>
+            <input
+                type="number"
+                class="form-control"
+                v-model="sellform.pri2"
+                :placeholder="tips"
+            />
+          </div>
+        </template>
       </div>
       <div class="exchange_button" v-if="tab == 1" style="width: 100%;">
         <div class="px-3 flex-fill mb-4">
@@ -309,11 +357,15 @@ export default {
       },
       buyform: {
         entrust_price: undefined,
-        amount:""
+        amount:"",
+        pri1: "",//止盈触发价
+        pri2: ""//止损触发价
       },
       sellform: {
         entrust_price: undefined,
-        amount:""
+        amount:"",
+        pri1: "",//止盈触发价
+        pri2: ""//止损触发价
       },
         // 最多可开张数
         maxNum: 0,
diff --git a/src/views/contract/handicap.vue b/src/views/contract/handicap.vue
index 65f01f9..868ce72 100644
--- a/src/views/contract/handicap.vue
+++ b/src/views/contract/handicap.vue
@@ -64,7 +64,7 @@
           </template>
         </div>
         <div
-          class="current-nav d-flex align-items-center my-2" style="background-color: #2e2e2e;"
+          class="current-nav d-flex align-items-center my-2 py-2" style="background-color: #2e2e2e;"
         >
           <div class="w-10/24 d-flex align-items-center">
             <div class="name fn-12 px-3">{{ $t("contract.g3") }}</div>
@@ -320,5 +320,13 @@ export default {
   transform: translateX(-50%);
   margin-left: 0px;
 }
-
+.contract-page .page-top .handicap .handicap-body .sell, 
+.contract-page .page-top .handicap .handicap-body .buy{
+    height: 430px;
+    overflow: auto;
+}
+.contract-page .page-top .handicap .handicap-body .sell .item, 
+.contract-page .page-top .handicap .handicap-body .buy .item{
+  line-height: 40px;
+}
 </style>
\ No newline at end of file
diff --git a/src/views/exchange/index.vue b/src/views/exchange/index.vue
index b2a391c..441d6a8 100644
--- a/src/views/exchange/index.vue
+++ b/src/views/exchange/index.vue
@@ -554,7 +554,7 @@ export default {
             });
         },
         changeCoinLogo(e){
-            console.log(e, 'this.currentIcon = market.icon')
+            // console.log(e, 'this.currentIcon = market.icon')
             this.currentIcon = e.coin_icon;
         }
     },
diff --git a/src/views/exchange/make-deal.vue b/src/views/exchange/make-deal.vue
index 2bdb99d..d3eaa16 100644
--- a/src/views/exchange/make-deal.vue
+++ b/src/views/exchange/make-deal.vue
@@ -170,8 +170,8 @@
                         </ul>
                         <div class="px-2">
                             <el-slider
-                                :value="activeStepBuy"
-                                @input="sliderChangeBuy"
+                                v-model="activeStepBuy"
+                                @change="sliderChangeBuy"
                                 :format-tooltip="tooltip"
                                 :marks="marks"
                                 :step="25"
@@ -263,8 +263,8 @@
                         </ul>
                         <div class="px-2">
                             <el-slider
-                                :value="activeStepSell"
-                                @input="sliderChangeSell"
+                                v-model="activeStepSell"
+                                @change="sliderChangeSell"
                                 :format-tooltip="tooltip"
                                 :marks="marks"
                                 :step="25"
@@ -369,6 +369,8 @@ export default {
             //
             buyPercentIndex: null,
             sellPercentIndex: null,
+            activeStepBuy: 0,
+            activeStepSell: 0
         }
     },
 
@@ -389,6 +391,7 @@ export default {
 
         buyTotal: {
             get() {
+                // console.log(333)
                 if (!this.isMarket) {
                     return Math.multiple(this.buyorder.entrust_price, this.buyorder.amount);
                 } else {
@@ -396,6 +399,7 @@ export default {
                 }
             },
             set(val) {
+                // console.log(444)
                 // 根据总值 计算数量
                 if (!this.isMarket) {
                     this.buyorder.amount = Math.division(val, this.buyorder.entrust_price);
@@ -410,7 +414,7 @@ export default {
                 return Math.multiple(this.sellorder.entrust_price, this.sellorder.amount);
             }
         },
-        activeStepBuy(){
+        // activeStepBuy(){
             // console.log(this.buyorder.amount, this.buyTotal, '000000')
             // let num = 0;
             // if(this.isMarket){
@@ -419,12 +423,12 @@ export default {
             //     num = this.buyorder.amount / (this.fromBalance * 100);
             // }
             // return num;
-        },
-        activeStepSell(){
+        // },
+        // activeStepSell(){
             // console.log(1111)
             // let num = this.sellorder.amount / (this.toBalance * 100);
             // return num;
-        },
+        // },
 
         // 当前语言
         lang() {
@@ -502,8 +506,15 @@ export default {
             // console.info(this.buyTotal, '------------')
         },
         sliderChangeBuy($ev){
-            // console.log($ev, 22222);
-            this.buyTotal = Math.multiple(this.fromBalance, $ev/100);
+            console.log($ev, 22222);
+            if (!this.buyorder.entrust_price) {
+                this.visibles.buy.limitPrice = true;
+                this.msgList.buy[1] = this.$t('nav.set');
+                this.clearAll();
+                return;
+            }
+            this.buyorder.amount = Math.multiple(this.fromBalance, $ev/100);
+            // this.buyTotal = Math.multiple(this.fromBalance, $ev/100);
         },
 
         renderSellAmount(val, index) {
@@ -517,6 +528,12 @@ export default {
             this.sellorder.amount = Math.multiple(this.toBalance, val);
         },
         sliderChangeSell($ev){
+            if (!this.sellorder.entrust_price) {
+                this.visibles.sell.limitPrice = true;
+                this.msgList.sell[1] = this.$t('nav.set');
+                this.clearAll();
+                return;
+            }
             this.sellorder.amount = Math.multiple(this.toBalance, $ev/100);
         },
 
diff --git a/src/views/exchange/order-list.vue b/src/views/exchange/order-list.vue
index c5d9ea0..47f45b0 100644
--- a/src/views/exchange/order-list.vue
+++ b/src/views/exchange/order-list.vue
@@ -1,5 +1,5 @@
 <template>
-<div class="" style="width: 100%;">
+<div class="" style="width: 100%;margin-bottom: 8px;">
     <div class="exchange-history order-history market-order mt-2" style="border:none;background-color: #121212;">
         <ul class="nav nav-pills" role="tablist" style="background-color: transparent;border-bottom: 1px solid #2e2e2e;">
             <li class="nav-item" @click="toggle('opens')">
diff --git a/src/views/signIn/index.vue b/src/views/signIn/index.vue
index 8d061c4..867db79 100644
--- a/src/views/signIn/index.vue
+++ b/src/views/signIn/index.vue
@@ -687,6 +687,7 @@ form.login-body {
     background-color: #fff;
     border-color: #dfdfdf;
     height: 60px !important;
+    color: #101010;
 }
 .btn-primary {
     color: #fff;
diff --git a/src/views/signUp/index.vue b/src/views/signUp/index.vue
index 13c2bf9..5341f1d 100644
--- a/src/views/signUp/index.vue
+++ b/src/views/signUp/index.vue
@@ -7,7 +7,7 @@
                 <div class="fn-18 bg">{{ $t('login.text3') }}</div>
             </div>
         </div>
-        <div class="vh-100" style="width: 53%;background-color: #fff;">
+        <div class="" style="width: 53%;height:1024px;background-color: #fff;">
             <div class="form-access">
                 <form class="register-body">
                     <div class="mb-4 h3" style="font-size: 40px;color: #101010;">
@@ -752,6 +752,7 @@ div.verify-code {
     background-color: #fff;
     border-color: #dfdfdf;
     height: 60px !important;
+    color: #101010;
 }
 .btn-primary {
     color: #fff;
diff --git a/src/views/wallet/exchange-assets.vue b/src/views/wallet/exchange-assets.vue
index 032d4b7..100a9a7 100644
--- a/src/views/wallet/exchange-assets.vue
+++ b/src/views/wallet/exchange-assets.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="settings wallet-page">
+  <div class="settings wallet-page" style="padding-bottom:20px;">
     <secondary-nav></secondary-nav>
     <!-- 个人信息 -->
     <div class="user">
@@ -865,7 +865,7 @@ created() {
   @include flexible(row, space-between);
 }
 .active{
-  border-bottom: 1px solid;
+  // border-bottom: 1px solid;
 }
 .upload-demo {
   ::v-deep .el-upload-dragger {
@@ -909,4 +909,8 @@ created() {
   border-color: #fff;
   color: #fff;
 }
+.form-control{
+  color: #101010 !important;
+  background-color: #fff !important;
+}
 </style>
diff --git a/src/views/wallet/funding.vue b/src/views/wallet/funding.vue
index bdea7c5..6fe3c93 100644
--- a/src/views/wallet/funding.vue
+++ b/src/views/wallet/funding.vue
@@ -281,4 +281,8 @@ export default {
   color: #101010 !important;
   background-color: #fff !important;
 }
+/deep/ .el-input__inner{
+  color: #101010 !important;
+  background-color: #fff !important;
+}
 </style>
diff --git a/src/views/wallet/transfer.vue b/src/views/wallet/transfer.vue
index b9eeac4..b98eb3f 100644
--- a/src/views/wallet/transfer.vue
+++ b/src/views/wallet/transfer.vue
@@ -1,5 +1,5 @@
 <template>
-<div class="wallet-page">
+<div class="wallet-page" style="padding-bottom:20px;">
     <secondary-nav></secondary-nav>
     <div class="container">
         <div class="w-100 d-flex justify-content-between align-items-center mb-3 mt-4">