diff --git a/gitee_pomodoro/assets/css/popup.css b/gitee_pomodoro/assets/css/popup.css
index 42ee555..3c342a2 100644
--- a/gitee_pomodoro/assets/css/popup.css
+++ b/gitee_pomodoro/assets/css/popup.css
@@ -2,7 +2,7 @@
 
 body {
     /* background-color: rgb(51, 11, 116); */
-    background: url(../../images/pomo1.png) no-repeat;
+    background: url(../../images/pomo_ocean.jpg) no-repeat;
     background-image: "../../";
     /* color: white; */
     font-family: 'Fira Sans', sans-serif;
diff --git a/gitee_pomodoro/assets/js/popup.js b/gitee_pomodoro/assets/js/popup.js
index 9e94e50..15a88a9 100644
--- a/gitee_pomodoro/assets/js/popup.js
+++ b/gitee_pomodoro/assets/js/popup.js
@@ -29,6 +29,8 @@ const resetBtn = document.getElementById("reset-btn");
 const endBtn = document.getElementById("end-btn");
 const countdownTimer = document.getElementById("countdown");
 
+const audio = document.getElementById("audio");
+//全局唯一的定时器
 let timer = null;
 
 let minutes, seconds;
@@ -90,11 +92,9 @@ function start() {
       (response) => {
         console.log(response);
 
-  
-          startBtn.style.display = "none";
-          endBtn.style.display = "block";
-          getTimer();
-        
+        startBtn.style.display = "none";
+        endBtn.style.display = "block";
+        getTimer();
       }
     );
   });
@@ -120,12 +120,35 @@ function end() {
 }
 
 function getTimer() {
-  clearTimer()
+  clearTimer();
   timer = setInterval(() => {
     chrome.storage.sync.get("pomoData", ({ pomoData }) => {
+      // console.log("pomodata****",pomoData)
+      // const{minutes,seconds,countdownTimer} = pomoData;
       countdownTimer.innerHTML = pomoData.countdownTimer;
+
+      //更新后倒计时判断，如果结束则重新初始化界面
+      if(pomoData.countdownTimer == "00:00"){
+
+        audio.play();
+        chrome.runtime.sendMessage(
+          {
+            status: "init",
+          },
+          (response) => {
+            console.log(response);
+            countdownTimer.innerHTML = "25:00";
+    
+            startBtn.style.display = "block";
+            endBtn.style.display = "none";
+            clearTimer();
+          }
+        );
+
+      }
     });
   }, 200);
+
 }
 
 function clearTimer() {
@@ -167,9 +190,7 @@ resetBtn.addEventListener("click", () => {
   }, 100);
 });
 
-//页面反复打开时初始化
-// start();
-
+//页面反复打开时页面初始化
 chrome.storage.sync.get("pomoData", ({ pomoData }) => {
   console.log(pomoData);
   const { status } = pomoData;
@@ -179,13 +200,12 @@ chrome.storage.sync.get("pomoData", ({ pomoData }) => {
     endBtn.style.display = "block";
     getTimer();
   } else if (status === "paused") {
-   
     startBtn.style.display = "block";
     endBtn.style.display = "none";
     chrome.storage.sync.get("pomoData", ({ pomoData }) => {
       countdownTimer.innerHTML = pomoData.countdownTimer;
     });
-  } else if(status === "init"){
+  } else if (status === "init") {
     chrome.runtime.sendMessage({
       status: "init",
     });
diff --git a/gitee_pomodoro/background.js b/gitee_pomodoro/background.js
index 4b079da..c0bb953 100644
--- a/gitee_pomodoro/background.js
+++ b/gitee_pomodoro/background.js
@@ -2,6 +2,7 @@
 chrome.runtime.onInstalled.addListener(() => {
   // 插件功能安装默认启用
   chrome.storage.sync.set({
+    //初始化数据
     pomoData: {
       minutes: 24,
       seconds: 60,
@@ -17,12 +18,9 @@ let pomodoro = "pomodoro";
 
 let array = ["minutes", "seconds", "pause", "countdownTimer", "pbutton"];
 
+//全局唯一的定时器
 let timer = null;
-// chorme.runtime.onMessage.addListener(()=>{
-//     chorme.storage.sync.get("pause",({pause})=>{
 
-//     })
-// })
 
 // 记住 是否暂停、
 
@@ -37,7 +35,6 @@ chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
     // sendResponse({
     //   status:message.status
     // })
-
     countdown({ ...content, status });
   } else if (status === "paused") {
     clearTimeout(timer);
@@ -59,8 +56,8 @@ chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
     //init初始化
     chrome.storage.sync.set({
       pomoData: {
-        minutes: 24,
-        seconds: 60,
+        minutes: 0,
+        seconds: 5,
         countdownTimer: "25:00",
         status: "start",
       },
@@ -74,7 +71,7 @@ chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
 
 // 番茄钟倒计时功能
 function countdown({ minutes, seconds, status }) {
-  console.log("分秒=============", minutes, seconds);
+  
   // 设置分钟和秒数
   // let currentMins = minutes - 1;
   seconds--;
@@ -85,7 +82,8 @@ function countdown({ minutes, seconds, status }) {
     (seconds < 10 ? "0" : "") +
     seconds;
   // countdownTimer.innerHTML = currentTimer; 拿到
-
+  console.log("分秒=============", minutes, seconds);
+  
   chrome.storage.sync.set(
     {
       pomoData: {
@@ -127,9 +125,6 @@ function countdown({ minutes, seconds, status }) {
         }
       }
     );
-    countdown({ minutes, seconds });
-  } else if (currentMins === 0) {
-    audio.play();
-    reset();
-  }
+    countdown({ minutes, seconds,status });
+  } 
 }
diff --git a/gitee_pomodoro/images/pomo_crystal.jpg b/gitee_pomodoro/images/pomo_crystal.jpg
new file mode 100644
index 0000000..ca6ed77
Binary files /dev/null and b/gitee_pomodoro/images/pomo_crystal.jpg differ
diff --git a/gitee_pomodoro/images/pomo_ocean.jpg b/gitee_pomodoro/images/pomo_ocean.jpg
new file mode 100644
index 0000000..6409d59
Binary files /dev/null and b/gitee_pomodoro/images/pomo_ocean.jpg differ
diff --git a/gitee_pomodoro/images/pomo_waterfall.jpg b/gitee_pomodoro/images/pomo_waterfall.jpg
new file mode 100644
index 0000000..8937b95
Binary files /dev/null and b/gitee_pomodoro/images/pomo_waterfall.jpg differ