diff --git a/js/aes.js b/js/aes.js
index afdfb56..14aa119 100644
--- a/js/aes.js
+++ b/js/aes.js
@@ -88,4 +88,24 @@ function dateFtt(fmt, date) { //author: meizz
 			if(new RegExp("(" + k + ")").test(fmt))
 				fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
 		return fmt;
+}
+
+function encryptCBC(word){
+	var cbc_key = CryptoJS.enc.Utf8.parse("zhgd@bonus@zhgd@bonus@1234567890");
+	var cbc_iv = CryptoJS.enc.Utf8.parse("1234567812345678");
+	var  srcs = CryptoJS.enc.Utf8.parse(word)
+	var encrypted = CryptoJS.AES.encrypt(srcs, cbc_key, {
+		iv: cbc_iv,
+		mode: CryptoJS.mode.CBC,
+		padding: CryptoJS.pad.Pkcs7
+	});
+	return encrypted.toString();
+}
+
+function generateToken(){
+	// 获取当前时间戳（以秒为单位）
+	const currentTimeStamp = Math.floor(Date.now());
+	// 将时间戳转换为字符串
+	const timeStampString = currentTimeStamp.toString();
+	return encryptCBC(timeStampString);
 }
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diff --git a/js/public.js b/js/public.js
index 4f42bff..7098cb0 100644
--- a/js/public.js
+++ b/js/public.js
@@ -181,7 +181,62 @@ function getUrlParam(key) {
 
 // 预览文件
 function commonViewFile(params) {
-    let path = fileUrl + params + "&auth=" + sessionStorage.getItem("gz-token");
-    let time = encrypt(Math.floor(Date.now()).toString())
-    window.open(viewFileUrl + path + '&token=' + encrypt(time));
+    let path = fileUrl + params;
+    let encodePath = encodeURIComponent(useBase64.encode64(path));
+    window.open(viewFileUrl + encodePath + '&token=' + generateToken());
+}
+
+let _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+const useBase64 = {
+   encode64:(e) => {
+    let t = "";
+    let f = 0;
+    e = useBase64.encodeUTF8(e);
+    while (f < e.length) {
+      const n = e.charCodeAt(f++);
+      const r = e.charCodeAt(f++);
+      const i = e.charCodeAt(f++);
+      let s = n >> 2;
+      let o = (n & 3) << 4 | r >> 4;
+      let u = (r & 15) << 2 | i >> 6;
+      let a = i & 63;
+      if (isNaN(r)) {
+        u = a = 64;
+      } else if (isNaN(i)) {
+        a = 64;
+      }
+      t += _keyStr[s] + _keyStr[o] + _keyStr[u] + _keyStr[a];
+    }
+    return t;
+  },
+   decode64: (e) => {
+    let t = "";
+    let f = 0;
+    e = e.replace(/[^A-Za-z0-9+/=]/g, "");
+    while (f < e.length) {
+      const s = _keyStr.indexOf(e.charAt(f++));
+      const o = _keyStr.indexOf(e.charAt(f++));
+      const u = _keyStr.indexOf(e.charAt(f++));
+      const a = _keyStr.indexOf(e.charAt(f++));
+      let n = s << 2 | o >> 4;
+      let r = (o & 15) << 4 | u >> 2;
+      let i = (u & 3) << 6 | a;
+      t += String.fromCharCode(n);
+      if (u !== 64) {
+        t += String.fromCharCode(r);
+      }
+      if (a !== 64) {
+        t += String.fromCharCode(i);
+      }
+    }
+    return useBase64.decodeUTF8(t);
+  },
+
+  encodeUTF8: (input) => {
+    return unescape(encodeURIComponent(input));
+  },
+
+  decodeUTF8: (input) => {
+    return decodeURIComponent(escape(input));
+  },
 }
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