diff --git a/js/dlwithcoin.js b/js/dlwithcoin.js
index 749c3b9..3a449c1 100644
--- a/js/dlwithcoin.js
+++ b/js/dlwithcoin.js
@@ -61,13 +61,13 @@ document.addEventListener("DOMContentLoaded", function() {
     // const linkId = "{{ .Get "id" }}";
     // const objectKey = "{{ .Get "url" }}";  // 使用URL参数作为OSS对象的key
     // const popupId = "popup-" + linkId;
-    // const requiredCoins = {{ .Get "coin" | default 0 }}; // 获取需要扣除的金币数，默认为0
+    // const requiredCoins = {{ .Get "coin" | default 0 }}; // 获取需要扣除的东币数，默认为0
     // const resourceTitle = "{{ .Get "title" }}"; // 获取资源标题
 
     const linkId = "aaa";
     const objectKey = "bbb";  // 使用URL参数作为OSS对象的key
     const popupId = "popup-" + linkId;
-    const requiredCoins = 666; // 获取需要扣除的金币数，默认为0
+    const requiredCoins = 666; // 获取需要扣除的东币数，默认为0
     const resourceTitle = "ccc"
 
     const checkAndDownload = async () => {
@@ -85,16 +85,16 @@ document.addEventListener("DOMContentLoaded", function() {
             try {
                 const response = await fetchNoCache(coinListUrl);
                 if (!response.ok) {
-                    alert("您还未激活金币系统，请前往激活！");
+                    alert("您还未激活东币系统，请前往激活！");
                     window.location.href = "/submission";
                     return;
                 }
                 const data = await response.json();
                 if (data.coins < requiredCoins) {
-                    alert(`您的金币数量不够！当前资源要求金币数：${requiredCoins}；您的金币数：${data.coins}。`);
+                    alert(`您的东币数量不够！当前资源要求东币数：${requiredCoins}；您的东币数：${data.coins}。`);
                     return;
                 } else {
-                    if (confirm(`当前下载操作花费：${requiredCoins}金币；您的金币：${data.coins}。是否继续？`)) {
+                    if (confirm(`当前下载操作花费：${requiredCoins}东币；您的东币：${data.coins}。是否继续？`)) {
                         data.coins -= requiredCoins;
                         data.transactions.push({
                             type: "debit",
@@ -114,7 +114,7 @@ document.addEventListener("DOMContentLoaded", function() {
                 alert("无法处理您的请求，请稍后重试。");
             }
         } else {
-            // 如果不需要金币，直接开始下载
+            // 如果不需要东币，直接开始下载
             startDownload(linkId, popupId, objectKey);
         }
     };
diff --git a/resources/习概课本/index.html b/resources/习概课本/index.html
index 4c6a99d..a804bf1 100644
--- a/resources/习概课本/index.html
+++ b/resources/习概课本/index.html
@@ -467,7 +467,7 @@
     <div class="popup-content">3秒后将开始下载...</div>
 </div>
 <script>
-let client;function getCookie(t){const n=t+"=";const o=document.cookie.split(";");for(let e=0;e<o.length;e++){let t=o[e];while(t.charAt(0)==" ")t=t.substring(1,t.length);if(t.indexOf(n)==0)return t.substring(n.length,t.length)}return null}async function fetchNoCache(t){const e=(new Date).getTime();const n=`${t}?timestamp=${e}`;return fetch(n)}async function f1(){try{const t=await fetchNoCache("https://download.xn--xhq44jb2fzpc.com/upload/json/s.json");const e=await t.json();const n=e.masterKey;const o=CryptoJS.SHA256(n);const c={region:d2(e.encryptedRegion,o),accessKeyId:d2(e.encryptedKeyId,o),accessKeySecret:d2(e.encryptedKeySecret,o),bucket:d2(e.encryptedBucket,o)};client=new OSS(c)}catch(t){console.error("Failed to fetch or decrypt OSS config:",t)}}function d2(t,e){t=t.replace(/\s/g,"");const n=CryptoJS.enc.Base64.parse(t);const o=CryptoJS.lib.WordArray.create(n.words.slice(0,4));const c=CryptoJS.lib.WordArray.create(n.words.slice(4));const s=CryptoJS.AES.decrypt({ciphertext:c},e,{iv:o,mode:CryptoJS.mode.CBC,padding:CryptoJS.pad.Pkcs7});return s.toString(CryptoJS.enc.Utf8)}f1();document.addEventListener("DOMContentLoaded",function(){const i="download-1";const r="resources\/files\/习概\/习近平新时代中国特色社会主义思想概论 (《习近平新时代中国特色社会主义思想概论》编写组).pdf";const a="popup-"+i;const l= 5 ;const d="《习近平新时代中国特色社会主义思想概论》课本";const t=async()=>{const t=getCookie("loggedIn");const e=getCookie("userEmail");if(!t){alert("请登录后下载！");window.location.href="/submission";return}if(l>0){const n=`https://download.xn--xhq44jb2fzpc.com/user/${e}/coin/list.json`;try{const o=await fetchNoCache(n);if(!o.ok){alert("您还未激活金币系统，请前往激活！");window.location.href="/submission";return}const c=await o.json();if(c.coins<l){alert(`您的金币数量不够！当前资源要求金币数：${l}；您的金币数：${c.coins}。`);return}else{if(confirm(`当前下载操作花费：${l}金币；您的金币：${c.coins}。是否继续？`)){c.coins-=l;c.transactions.push({type:"debit",amount:l,description:`下载资源：${d}`,date:getCurrentTime()});const s=new Blob([JSON.stringify(c)],{type:"application/json"});await client.put(`user/${e}/coin/list.json`,s);p(i,a,r)}}}catch(t){console.error("Error handling coins for download:",t);alert("无法处理您的请求，请稍后重试。")}}else{p(i,a,r)}};const p=(t,e,n)=>{let o=3;const c=document.getElementById(e);const s=c.querySelector(".popup-content");if(client){let t=client.signatureUrl(n,{expires:20,response:{"content-disposition":"attachment"}});const i=t.replace("emberimg.oss-cn-beijing.aliyuncs.com","download.xn--xhq44jb2fzpc.com");const r=()=>{if(o>0){s.textContent=`${o}秒后将开始下载...`;o--;setTimeout(r,1e3)}else{c.style.display="none";window.location.href=i}};c.style.display="block";r()}else{console.error("OSS client is not initialized.")}};document.getElementById(i).addEventListener("click",t)});function getCurrentTime(){const t=new Date;const e=new Date(t.getTime()+8*60*60*1e3);return e.toISOString().replace("T"," ").substring(0,19)}
+let client;function getCookie(t){const n=t+"=";const o=document.cookie.split(";");for(let e=0;e<o.length;e++){let t=o[e];while(t.charAt(0)==" ")t=t.substring(1,t.length);if(t.indexOf(n)==0)return t.substring(n.length,t.length)}return null}async function fetchNoCache(t){const e=(new Date).getTime();const n=`${t}?timestamp=${e}`;return fetch(n)}async function f1(){try{const t=await fetchNoCache("https://download.xn--xhq44jb2fzpc.com/upload/json/s.json");const e=await t.json();const n=e.masterKey;const o=CryptoJS.SHA256(n);const c={region:d2(e.encryptedRegion,o),accessKeyId:d2(e.encryptedKeyId,o),accessKeySecret:d2(e.encryptedKeySecret,o),bucket:d2(e.encryptedBucket,o)};client=new OSS(c)}catch(t){console.error("Failed to fetch or decrypt OSS config:",t)}}function d2(t,e){t=t.replace(/\s/g,"");const n=CryptoJS.enc.Base64.parse(t);const o=CryptoJS.lib.WordArray.create(n.words.slice(0,4));const c=CryptoJS.lib.WordArray.create(n.words.slice(4));const s=CryptoJS.AES.decrypt({ciphertext:c},e,{iv:o,mode:CryptoJS.mode.CBC,padding:CryptoJS.pad.Pkcs7});return s.toString(CryptoJS.enc.Utf8)}f1();document.addEventListener("DOMContentLoaded",function(){const i="download-1";const r="resources\/files\/习概\/习近平新时代中国特色社会主义思想概论 (《习近平新时代中国特色社会主义思想概论》编写组).pdf";const a="popup-"+i;const l= 5 ;const d="《习近平新时代中国特色社会主义思想概论》课本";const t=async()=>{const t=getCookie("loggedIn");const e=getCookie("userEmail");if(!t){alert("请登录后下载！");window.location.href="/submission";return}if(l>0){const n=`https://download.xn--xhq44jb2fzpc.com/user/${e}/coin/list.json`;try{const o=await fetchNoCache(n);if(!o.ok){alert("您还未激活东币系统，请前往激活！");window.location.href="/submission";return}const c=await o.json();if(c.coins<l){alert(`您的东币数量不够！当前资源要求东币数：${l}；您的东币数：${c.coins}。`);return}else{if(confirm(`当前下载操作花费：${l}东币；您的东币：${c.coins}。是否继续？`)){c.coins-=l;c.transactions.push({type:"debit",amount:l,description:`下载资源：${d}`,date:getCurrentTime()});const s=new Blob([JSON.stringify(c)],{type:"application/json"});await client.put(`user/${e}/coin/list.json`,s);p(i,a,r)}}}catch(t){console.error("Error handling coins for download:",t);alert("无法处理您的请求，请稍后重试。")}}else{p(i,a,r)}};const p=(t,e,n)=>{let o=3;const c=document.getElementById(e);const s=c.querySelector(".popup-content");if(client){let t=client.signatureUrl(n,{expires:20,response:{"content-disposition":"attachment"}});const i=t.replace("emberimg.oss-cn-beijing.aliyuncs.com","download.xn--xhq44jb2fzpc.com");const r=()=>{if(o>0){s.textContent=`${o}秒后将开始下载...`;o--;setTimeout(r,1e3)}else{c.style.display="none";window.location.href=i}};c.style.display="block";r()}else{console.error("OSS client is not initialized.")}};document.getElementById(i).addEventListener("click",t)});function getCurrentTime(){const t=new Date;const e=new Date(t.getTime()+8*60*60*1e3);return e.toISOString().replace("T"," ").substring(0,19)}
 </script>
 
 <hr>
diff --git a/resources/公路交通ppt/index.html b/resources/公路交通ppt/index.html
index d12c44e..812054f 100644
--- a/resources/公路交通ppt/index.html
+++ b/resources/公路交通ppt/index.html
@@ -467,7 +467,7 @@
     <div class="popup-content">3秒后将开始下载...</div>
 </div>
 <script>
-let client;function getCookie(t){const n=t+"=";const o=document.cookie.split(";");for(let e=0;e<o.length;e++){let t=o[e];while(t.charAt(0)==" ")t=t.substring(1,t.length);if(t.indexOf(n)==0)return t.substring(n.length,t.length)}return null}async function fetchNoCache(t){const e=(new Date).getTime();const n=`${t}?timestamp=${e}`;return fetch(n)}async function f1(){try{const t=await fetchNoCache("https://download.xn--xhq44jb2fzpc.com/upload/json/s.json");const e=await t.json();const n=e.masterKey;const o=CryptoJS.SHA256(n);const c={region:d2(e.encryptedRegion,o),accessKeyId:d2(e.encryptedKeyId,o),accessKeySecret:d2(e.encryptedKeySecret,o),bucket:d2(e.encryptedBucket,o)};client=new OSS(c)}catch(t){console.error("Failed to fetch or decrypt OSS config:",t)}}function d2(t,e){t=t.replace(/\s/g,"");const n=CryptoJS.enc.Base64.parse(t);const o=CryptoJS.lib.WordArray.create(n.words.slice(0,4));const c=CryptoJS.lib.WordArray.create(n.words.slice(4));const s=CryptoJS.AES.decrypt({ciphertext:c},e,{iv:o,mode:CryptoJS.mode.CBC,padding:CryptoJS.pad.Pkcs7});return s.toString(CryptoJS.enc.Utf8)}f1();document.addEventListener("DOMContentLoaded",function(){const i="download-1";const r="resources\/files\/公路交通\/公路交通与汽车驾驶完整版PPT.pdf";const a="popup-"+i;const l= 8 ;const d="《公路交通与驾驶技术》完整版PPT";const t=async()=>{const t=getCookie("loggedIn");const e=getCookie("userEmail");if(!t){alert("请登录后下载！");window.location.href="/submission";return}if(l>0){const n=`https://download.xn--xhq44jb2fzpc.com/user/${e}/coin/list.json`;try{const o=await fetchNoCache(n);if(!o.ok){alert("您还未激活金币系统，请前往激活！");window.location.href="/submission";return}const c=await o.json();if(c.coins<l){alert(`您的金币数量不够！当前资源要求金币数：${l}；您的金币数：${c.coins}。`);return}else{if(confirm(`当前下载操作花费：${l}金币；您的金币：${c.coins}。是否继续？`)){c.coins-=l;c.transactions.push({type:"debit",amount:l,description:`下载资源：${d}`,date:getCurrentTime()});const s=new Blob([JSON.stringify(c)],{type:"application/json"});await client.put(`user/${e}/coin/list.json`,s);p(i,a,r)}}}catch(t){console.error("Error handling coins for download:",t);alert("无法处理您的请求，请稍后重试。")}}else{p(i,a,r)}};const p=(t,e,n)=>{let o=3;const c=document.getElementById(e);const s=c.querySelector(".popup-content");if(client){let t=client.signatureUrl(n,{expires:20,response:{"content-disposition":"attachment"}});const i=t.replace("emberimg.oss-cn-beijing.aliyuncs.com","download.xn--xhq44jb2fzpc.com");const r=()=>{if(o>0){s.textContent=`${o}秒后将开始下载...`;o--;setTimeout(r,1e3)}else{c.style.display="none";window.location.href=i}};c.style.display="block";r()}else{console.error("OSS client is not initialized.")}};document.getElementById(i).addEventListener("click",t)});function getCurrentTime(){const t=new Date;const e=new Date(t.getTime()+8*60*60*1e3);return e.toISOString().replace("T"," ").substring(0,19)}
+let client;function getCookie(t){const n=t+"=";const o=document.cookie.split(";");for(let e=0;e<o.length;e++){let t=o[e];while(t.charAt(0)==" ")t=t.substring(1,t.length);if(t.indexOf(n)==0)return t.substring(n.length,t.length)}return null}async function fetchNoCache(t){const e=(new Date).getTime();const n=`${t}?timestamp=${e}`;return fetch(n)}async function f1(){try{const t=await fetchNoCache("https://download.xn--xhq44jb2fzpc.com/upload/json/s.json");const e=await t.json();const n=e.masterKey;const o=CryptoJS.SHA256(n);const c={region:d2(e.encryptedRegion,o),accessKeyId:d2(e.encryptedKeyId,o),accessKeySecret:d2(e.encryptedKeySecret,o),bucket:d2(e.encryptedBucket,o)};client=new OSS(c)}catch(t){console.error("Failed to fetch or decrypt OSS config:",t)}}function d2(t,e){t=t.replace(/\s/g,"");const n=CryptoJS.enc.Base64.parse(t);const o=CryptoJS.lib.WordArray.create(n.words.slice(0,4));const c=CryptoJS.lib.WordArray.create(n.words.slice(4));const s=CryptoJS.AES.decrypt({ciphertext:c},e,{iv:o,mode:CryptoJS.mode.CBC,padding:CryptoJS.pad.Pkcs7});return s.toString(CryptoJS.enc.Utf8)}f1();document.addEventListener("DOMContentLoaded",function(){const i="download-1";const r="resources\/files\/公路交通\/公路交通与汽车驾驶完整版PPT.pdf";const a="popup-"+i;const l= 8 ;const d="《公路交通与驾驶技术》完整版PPT";const t=async()=>{const t=getCookie("loggedIn");const e=getCookie("userEmail");if(!t){alert("请登录后下载！");window.location.href="/submission";return}if(l>0){const n=`https://download.xn--xhq44jb2fzpc.com/user/${e}/coin/list.json`;try{const o=await fetchNoCache(n);if(!o.ok){alert("您还未激活东币系统，请前往激活！");window.location.href="/submission";return}const c=await o.json();if(c.coins<l){alert(`您的东币数量不够！当前资源要求东币数：${l}；您的东币数：${c.coins}。`);return}else{if(confirm(`当前下载操作花费：${l}东币；您的东币：${c.coins}。是否继续？`)){c.coins-=l;c.transactions.push({type:"debit",amount:l,description:`下载资源：${d}`,date:getCurrentTime()});const s=new Blob([JSON.stringify(c)],{type:"application/json"});await client.put(`user/${e}/coin/list.json`,s);p(i,a,r)}}}catch(t){console.error("Error handling coins for download:",t);alert("无法处理您的请求，请稍后重试。")}}else{p(i,a,r)}};const p=(t,e,n)=>{let o=3;const c=document.getElementById(e);const s=c.querySelector(".popup-content");if(client){let t=client.signatureUrl(n,{expires:20,response:{"content-disposition":"attachment"}});const i=t.replace("emberimg.oss-cn-beijing.aliyuncs.com","download.xn--xhq44jb2fzpc.com");const r=()=>{if(o>0){s.textContent=`${o}秒后将开始下载...`;o--;setTimeout(r,1e3)}else{c.style.display="none";window.location.href=i}};c.style.display="block";r()}else{console.error("OSS client is not initialized.")}};document.getElementById(i).addEventListener("click",t)});function getCurrentTime(){const t=new Date;const e=new Date(t.getTime()+8*60*60*1e3);return e.toISOString().replace("T"," ").substring(0,19)}
 </script>
 
 <hr>
diff --git a/resources/数值分析课本/index.html b/resources/数值分析课本/index.html
index 225016f..131f821 100644
--- a/resources/数值分析课本/index.html
+++ b/resources/数值分析课本/index.html
@@ -470,7 +470,7 @@
     <div class="popup-content">3秒后将开始下载...</div>
 </div>
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