diff --git a/App.vue b/App.vue
index 0150f73..e865a4e 100644
--- a/App.vue
+++ b/App.vue
@@ -2,6 +2,7 @@
 import Member from "@/api/member";
 import { mapActions } from "vuex";
 import app from "@/app.js"
+import Home from "@/api/home";
 export default {
   onLaunch: function () {
     setInterval(() => {
@@ -26,6 +27,34 @@ export default {
         });
       });
     },
+	
+	sendHeartbeat() {
+		Home.online().then((response) => {
+		    console.log('心跳机制');
+		}).catch((err) => {});
+	},
+	startHeartbeat() {
+	    if (!this.heartbeatInterval && this.isLogin) {
+	        this.heartbeatInterval = setInterval(this.sendHeartbeat, 100000); // 每3秒发送一次心跳
+	        console.log('心跳机制已启动');
+	    }
+	},
+	stopHeartbeat() {
+	    if (this.heartbeatInterval) {
+	        clearInterval(this.heartbeatInterval);
+	        this.heartbeatInterval = null;
+	        console.log('心跳机制已停止');
+	    }
+	},
+	handleVisibilityChange() {
+	    if (document.visibilityState === 'visible') {
+	        // 页面可见，启动心跳机制
+	        this.startHeartbeat();
+	    } else {
+	        // 页面不可见，停止心跳机制
+	        this.stopHeartbeat();
+	    }
+	}
     // update(){
     //     var baseUrl=app.baseUrl + '/api/app/getNewestVersion'
     //     console.log(baseUrl)
@@ -128,7 +157,23 @@ export default {
     uni.$emit("appShow");
     this.$navFontColor();
   },
+  computed:{
+	isLogin() {
+		return Boolean(uni.getStorageSync("token"));
+	},
+  },
+  beforeDestroy() {
+      // 清理事件监听器和心跳请求
+    document.removeEventListener('visibilitychange', this.handleVisibilityChange);
+    this.stopHeartbeat();
+  },
   onHide: function () {},
+  mounted() {
+	// 监听页面可见性变化
+	document.addEventListener('visibilitychange', this.handleVisibilityChange);
+	// 启动心跳机制
+	this.startHeartbeat();
+  },
 };
 </script>
 
diff --git a/api/home.js b/api/home.js
index 7fdb8f6..d9303a8 100644
--- a/api/home.js
+++ b/api/home.js
@@ -20,6 +20,13 @@ class Home {
     static option(data){
         return Serve.post('/option',data)
     }
+	
+	/*
+	* 获取用户在线接口
+	*/
+	static online(){
+		return Serve.get('/online')
+	}
 }
 
 export default Home;
\ No newline at end of file
diff --git a/pages/auth/certification.vue b/pages/auth/certification.vue
index 196baa3..9d6fbcb 100644
--- a/pages/auth/certification.vue
+++ b/pages/auth/certification.vue
@@ -304,7 +304,7 @@
 	// 修改uni-datetime-picker的年月列表样式
 	.uni-picker-view-indicator,
 	.uni-picker-view-mask {
-		background-color: rgba(255, 255, 255, 0.5) !important;
+		background-color: rgba(255, 255, 255, 0.7) !important;
 	}
 
 	// 修改uni-datetime-picker的年月列表样式,以下的修改无效
diff --git a/pages/exchange/open-position.vue b/pages/exchange/open-position.vue
index 6d55e53..a7be7c9 100644
--- a/pages/exchange/open-position.vue
+++ b/pages/exchange/open-position.vue
@@ -215,7 +215,7 @@
 								@input="sliderChange" -->
                                 <el-slider
 								  v-model="activeStep"
-                                  @change="sliderChange"
+								  @input="sliderChange"
                                   :step="25"
                                   show-stops
 								  :marks="marks"
@@ -1013,7 +1013,7 @@ export default {
 				75: '75%',
 				100: '100%',
 			},
-			activeStep: 0,
+			activeStep: 100,
 			showsStopLoss:false
         };
     },
diff --git a/pages/login/index.vue b/pages/login/index.vue
index 62870fa..c5c6f98 100644
--- a/pages/login/index.vue
+++ b/pages/login/index.vue
@@ -124,6 +124,7 @@
 </template>
 <script>
 import Member from "@/api/member";
+import Home from "@/api/home";
 import { mapActions, mapState } from "vuex";
 export default {
   data() {
@@ -180,6 +181,9 @@ export default {
           } else {
             this.loginSuccess(res.data);
           }
+		  Home.online().then((response) => {
+		      console.log('心跳机制');
+		  }).catch((err) => {});
         })
         .catch(() => {
         });
diff --git a/static/chart_main/sevencoin.js b/static/chart_main/sevencoin.js
index 2afab6a..c543a7d 100644
--- a/static/chart_main/sevencoin.js
+++ b/static/chart_main/sevencoin.js
@@ -402,13 +402,13 @@ $(function () {
         }
         // 获取数据
         getBars(symbolInfo, resolution, rangeStartDate, rangeEndDate, onDataCallback, onErrorCallback, isFirstCall) {
-            let page = this.page > 3 ? 3 : this.page;
+            let page = this.page > 50 ? 50 : this.page;
             let data = {
                 symbol: symbolInfo.name,
                 period: this.resolution(resolution),
                 form: rangeStartDate,
                 to: rangeEndDate,
-                size: page * 200,
+                size: page * 400,
                 zip: 2
             }
             this.page++
diff --git a/uni_modules/uni-datetime-picker/components/uni-datetime-picker/calendar.vue b/uni_modules/uni-datetime-picker/components/uni-datetime-picker/calendar.vue
index 560acc1..c56a129 100644
--- a/uni_modules/uni-datetime-picker/components/uni-datetime-picker/calendar.vue
+++ b/uni_modules/uni-datetime-picker/components/uni-datetime-picker/calendar.vue
@@ -386,6 +386,7 @@
 			},
 		},
 		created() {
+			uni.setLocale('en');
 			// 获取日历方法实例
 			this.cale = new Calendar({
 				selected: this.selected,