diff --git a/freshman/宿舍规格/index.html b/freshman/宿舍规格/index.html
index d9ac19e..0064e65 100644
--- a/freshman/宿舍规格/index.html
+++ b/freshman/宿舍规格/index.html
@@ -710,6 +710,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -719,7 +725,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -749,7 +755,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -775,7 +781,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/freshman/群/index.html b/freshman/群/index.html
index 45c5d50..ad97fe4 100644
--- a/freshman/群/index.html
+++ b/freshman/群/index.html
@@ -502,6 +502,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -511,7 +517,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -541,7 +547,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -567,7 +573,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/rapidlinks/快速链接/index.html b/rapidlinks/快速链接/index.html
index 9851ec5..4aeae6f 100644
--- a/rapidlinks/快速链接/index.html
+++ b/rapidlinks/快速链接/index.html
@@ -414,6 +414,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -423,7 +429,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -453,7 +459,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -479,7 +485,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/c语言/index.html b/resources/c语言/index.html
index 46358c9..81274ee 100644
--- a/resources/c语言/index.html
+++ b/resources/c语言/index.html
@@ -415,6 +415,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -424,7 +430,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -454,7 +460,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -480,7 +486,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
@@ -496,7 +502,7 @@
         }
 
         
-        const email = ""; 
+        const email = "3055938446@qq.com"; 
 
         if (email) {
             
diff --git a/resources/大化/index.html b/resources/大化/index.html
index 081ce81..de1c3b7 100644
--- a/resources/大化/index.html
+++ b/resources/大化/index.html
@@ -411,6 +411,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -420,7 +426,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -450,7 +456,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -476,7 +482,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/大物活页/index.html b/resources/大物活页/index.html
index 881fcde..947bf32 100644
--- a/resources/大物活页/index.html
+++ b/resources/大物活页/index.html
@@ -411,6 +411,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -420,7 +426,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -450,7 +456,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -476,7 +482,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/孙子兵法/index.html b/resources/孙子兵法/index.html
index 9c919bf..ff1b948 100644
--- a/resources/孙子兵法/index.html
+++ b/resources/孙子兵法/index.html
@@ -400,6 +400,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -409,7 +415,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -439,7 +445,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -465,7 +471,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/工图习题/index.html b/resources/工图习题/index.html
index f6ecb8c..7f97c46 100644
--- a/resources/工图习题/index.html
+++ b/resources/工图习题/index.html
@@ -392,6 +392,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -401,7 +407,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -431,7 +437,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -457,7 +463,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/数值分析/index.html b/resources/数值分析/index.html
index 888ac5c..6750f88 100644
--- a/resources/数值分析/index.html
+++ b/resources/数值分析/index.html
@@ -471,6 +471,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -480,7 +486,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -510,7 +516,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -536,7 +542,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/新通用教师用书1/index.html b/resources/新通用教师用书1/index.html
index 0dbb8ac..099b2c8 100644
--- a/resources/新通用教师用书1/index.html
+++ b/resources/新通用教师用书1/index.html
@@ -403,6 +403,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -412,7 +418,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -442,7 +448,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -468,7 +474,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/概率论/index.html b/resources/概率论/index.html
index cd34b88..7507339 100644
--- a/resources/概率论/index.html
+++ b/resources/概率论/index.html
@@ -412,6 +412,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -421,7 +427,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -451,7 +457,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -477,7 +483,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/概率论习题/index.html b/resources/概率论习题/index.html
index 5a52eb8..3799bd8 100644
--- a/resources/概率论习题/index.html
+++ b/resources/概率论习题/index.html
@@ -411,6 +411,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -420,7 +426,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -450,7 +456,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -476,7 +482,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/毛概复习指南/index.html b/resources/毛概复习指南/index.html
index 753b430..9f0d067 100644
--- a/resources/毛概复习指南/index.html
+++ b/resources/毛概复习指南/index.html
@@ -400,6 +400,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -409,7 +415,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -439,7 +445,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -465,7 +471,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/画法几何ppt/index.html b/resources/画法几何ppt/index.html
index 79ed604..0bdb666 100644
--- a/resources/画法几何ppt/index.html
+++ b/resources/画法几何ppt/index.html
@@ -396,6 +396,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -405,7 +411,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -435,7 +441,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -461,7 +467,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/线性代数/index.html b/resources/线性代数/index.html
index 687320d..da29e9b 100644
--- a/resources/线性代数/index.html
+++ b/resources/线性代数/index.html
@@ -734,6 +734,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -743,7 +749,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -773,7 +779,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -799,7 +805,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/软测测验/index.html b/resources/软测测验/index.html
index ed92395..3c77031 100644
--- a/resources/软测测验/index.html
+++ b/resources/软测测验/index.html
@@ -463,6 +463,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -472,7 +478,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -502,7 +508,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -528,7 +534,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/食品安全/index.html b/resources/食品安全/index.html
index 672675c..99d1ce4 100644
--- a/resources/食品安全/index.html
+++ b/resources/食品安全/index.html
@@ -396,6 +396,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -405,7 +411,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -435,7 +441,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -461,7 +467,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/高数/index.html b/resources/高数/index.html
index b592137..be93a07 100644
--- a/resources/高数/index.html
+++ b/resources/高数/index.html
@@ -428,6 +428,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -437,7 +443,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -467,7 +473,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -493,7 +499,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";
diff --git a/resources/高数习题/index.html b/resources/高数习题/index.html
index e6730ae..6bcb1ef 100644
--- a/resources/高数习题/index.html
+++ b/resources/高数习题/index.html
@@ -416,6 +416,12 @@
 
 
 <script>
+          async function fetchNoCache(url) {
+              const timestamp = new Date().getTime(); 
+              const noCacheUrl = `${url}?timestamp=${timestamp}`; 
+              return fetch(noCacheUrl); 
+          }
+
           async function updateAuthorInfo(email) {
             if (!email) {
                 console.log("Email not provided, skipping author info update.");
@@ -425,7 +431,7 @@
             const jsonPath = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/p.json`;
 
             try {
-                const response = await fetch(jsonPath);
+                const response = await fetchNoCache(jsonPath);
                 if (response.ok) {
                     const data = await response.json();
                     if (data && data.nickname) {
@@ -455,7 +461,7 @@
             const url = 'https://emberimg.oss-cn-beijing.aliyuncs.com/upload/verified-email/verified-email.json';
 
             try {
-                const response = await fetch(url);
+                const response = await fetchNoCache(url);
                 if (response.ok) {
                     const verifiedEmails = await response.json();
                     if (verifiedEmails.includes(email)) {
@@ -481,7 +487,7 @@
             const avatarUrl = `https://emberimg.oss-cn-beijing.aliyuncs.com/user/${email}/avatar`;
 
             try {
-                const response = await fetch(avatarUrl);
+                const response = await fetchNoCache(avatarUrl);
                 if (response.ok) {
                     document.getElementById('avatar').src = avatarUrl;
                     document.getElementById('avatar').style.display = "block";