diff --git a/src/Global/efflect/Sunshine/timeLIne.js b/src/Global/efflect/Sunshine/timeLIne.js
index a012f69..4801a04 100644
--- a/src/Global/efflect/Sunshine/timeLIne.js
+++ b/src/Global/efflect/Sunshine/timeLIne.js
@@ -53,17 +53,25 @@ export default class TimeLine {
 
     document.getElementById('timePause').addEventListener('click', function () {
       that.pauseed = !that.pauseed;
-      if (that.pauseed) {
+      if (that.pauseed) {//暂停
         document.getElementById('timePause').textContent = '播放';
         that.animationId && cancelAnimationFrame(that.animationId);
         that.pausedTime = Date.now(); // 记录暂停时刻
         that.sdk.viewer.clock.shouldAnimate = false
-      } else {
+      } else {//播放
         document.getElementById('timePause').textContent = '暂停';
         that.manualPosition = null
-
         const pausedDuration = Date.now() - that.pausedTime;
         that.startTime += pausedDuration; // 补偿暂停期间的时间差
+
+        if (that.changeDate) {//切换日期后让时间从0开始
+          if (that.changeDateGrag) {
+            that.changeDateGrag = undefined
+          } else {
+            that.startTime = Date.now()
+          }
+          that.changeDate = undefined
+        }
         that.sdk.viewer.clock.shouldAnimate = true
         that.update(); // 重启动画循环
       }
@@ -77,7 +85,7 @@ export default class TimeLine {
         // that.sdk.viewer.clock.shouldAnimate = true
         that.startTime = Date.now() - (that.manualPosition * 86400 * 1000 / that.speed);
         that.manualPosition = null;
-
+        that.changeDate && (that.changeDateGrag = true)
         if (!that.pauseed) {
           that.update()
           func(that.time)
@@ -98,30 +106,55 @@ export default class TimeLine {
 
   update() {
     if (this.manualPosition !== null) return;
-
-    const elapsed = (Date.now() - this.startTime) * this.speed;
-    const totalSeconds = elapsed / 1000;
-    const daySeconds = totalSeconds % 86400;
+    if (this.changeDate) {//切换日期后让时间从0开始
+      this.startTime = Date.now()
+    }
+    let elapsed = (Date.now() - this.startTime) * this.speed;
+    // if (this.elapsed) {
+    //   elapsed = elapsed + this.elapsed
+    //   this.elapsed = undefined
+    // }
+    const totalSeconds = elapsed / 1000;//秒
+    const daySeconds = totalSeconds % 86400;//天
     const percentage = daySeconds / 86400;
 
     this.progress.style.width = `${percentage * 100}%`;
     this.time = this.formatTime(daySeconds)
     this.currentTime.textContent = this.time;
-    this.animationId = requestAnimationFrame(this.update);
+    if (!this.pauseed) {
+      this.animationId && cancelAnimationFrame(this.animationId);
+      this.animationId = requestAnimationFrame(this.update);
+    }
   }
   setSpeed(v) {
-    const currentProgress = this.manualPosition ??
-      (Date.now() - this.startTime) * this.speed / (86400 * 1000);
+    if (!this.pauseed) {
+      const currentProgress = this.manualPosition ??
+        (Date.now() - this.startTime) * this.speed / (86400 * 1000);
+      this.speed = v;
+      this.startTime = Date.now() - (currentProgress * 86400 * 1000 / this.speed);
 
-    this.speed = v;
-    this.startTime = Date.now() - (currentProgress * 86400 * 1000 / this.speed);
+    } else {
+      let pausedDuration = Date.now() - this.pausedTime;
+      this.startTime += pausedDuration; // 补偿暂停期间的时间差
+
+      const currentProgress = this.manualPosition ??
+        (Date.now() - this.startTime) * this.speed / (86400 * 1000);
+      this.speed = v;
+      this.startTime = Date.now() - (currentProgress * 86400 * 1000 / this.speed);
+
+      this.pausedTime = Date.now(); // 记录切换speed暂停时刻
+      this.speed = v;
+    }
     this.manualPosition = null;
-    this.update();
+
+    // this.update();
 
   }
   updateTime() {
-    this.startTime = Date.now() - (this.manualPosition * 86400 * 1000 / this.speed);
     this.manualPosition = null;
+    this.startTime = Date.now() - ((this.manualPosition || 0) * 86400 * 1000 / this.speed);
+    this.pauseed && (this.changeDate = true)
+    this.changeDateGrag = undefined
     this.update();
   }
   clear() {