diff --git a/app/DataBase/micro_msg.py b/app/DataBase/micro_msg.py
index 2d15139..7ad4fe8 100644
--- a/app/DataBase/micro_msg.py
+++ b/app/DataBase/micro_msg.py
@@ -21,7 +21,6 @@ def is_database_exist():
     return os.path.exists(db_path)
 
 
-@singleton
 class MicroMsg:
     def __init__(self):
         self.DB = None
@@ -68,7 +67,7 @@ class MicroMsg:
         try:
             lock.acquire(True)
             sql = '''
-                   SELECT UserName, Alias, Type, Remark, NickName, PYInitial, RemarkPYInitial, ContactHeadImgUrl.smallHeadImgUrl, ContactHeadImgUrl.bigHeadImgUrl
+                   SELECT UserName, Alias, Type, Remark, NickName, PYInitial, RemarkPYInitial, ContactHeadImgUrl.smallHeadImgUrl, ContactHeadImgUrl.bigHeadImgUrl,ExTraBuf
                    FROM Contact
                    INNER JOIN ContactHeadImgUrl ON Contact.UserName = ContactHeadImgUrl.usrName
                    WHERE UserName = ?
@@ -109,4 +108,3 @@ class MicroMsg:
 
 if __name__ == '__main__':
     pass
-    # get_contact()
diff --git a/app/resources/data/template.html b/app/resources/data/template.html
index 0abcf6a..0011232 100644
--- a/app/resources/data/template.html
+++ b/app/resources/data/template.html
@@ -549,7 +549,7 @@ input {
         }
     }
 
-    const itemsPerPage = 1000; // 每页显示的元素个数
+    const itemsPerPage = 100; // 每页显示的元素个数
     let currentPage = 1; // 当前页
     var reachedBottom = false; // 到达底部的标记
     var lastScrollTop = 0;
@@ -706,13 +706,13 @@ input {
         function avatarBox(message) {
             const avatarTag = document.createElement('div');
             avatarTag.className = "avatar";
-            avatarTag.innerHTML = `<img src="${message.avatar_path}" />`
+            avatarTag.innerHTML = `<img src="${message.avatar_path}" loading="lazy" />`
             return avatarTag;
         }
         function messageImgBox(message) {
             const messageImgTag = document.createElement('div');
             messageImgTag.className = `chat-image`;
-            messageImgTag.innerHTML = `<img src="${message.text}" onclick="showModal(this)"/>`;
+            messageImgTag.innerHTML = `<img src="${message.text}" onclick="showModal(this)" loading="lazy"/>`;
             return messageImgTag;
         }
         function messageVideoBox(message) {
@@ -742,7 +742,7 @@ input {
         function messageCard(message) {
             const messageTag = document.createElement('div');
             messageTag.className = `card`;
-            messageTag.innerHTML = `<a href="${message.url}" target="_blank"><div class="card-content"><h2>${message.title}</h2><div class="description"><p>${message.description}</p><img class="thumbnail" src="${message.thumbnail}" alt="Thumbnail"></div></div><div class="link-info"><img class="app-logo" src="${message.app_logo}" alt="App Logo"><span class="app-name">${message.app_name}</span></div></a>`;
+            messageTag.innerHTML = `<a href="${message.url}" target="_blank"><div class="card-content"><h2>${message.title}</h2><div class="description"><p>${message.description}</p><img loading="lazy" class="thumbnail" src="${message.thumbnail}" alt="Thumbnail"></div></div><div class="link-info"><img loading="lazy" class="app-logo" src="${message.app_logo}" alt="App Logo"><span class="app-name">${message.app_name}</span></div></a>`;
             return messageTag;
         }
         function messageFileBox(message) {
@@ -750,9 +750,9 @@ input {
             messageFileTag.className = `chat-file`;
             if (message.link !== ''){
                 messageFileTag.innerHTML  = `
-                <a href="${message.link}" target="_blank"><span>${message.file_name}</span><img src="${message.text}"/></a>`
+                <a href="${message.link}" target="_blank"><span>${message.file_name}</span><img loading="lazy" src="${message.text}"/></a>`
             }else{
-                messageFileTag.innerHTML = `<div><span>文件已丢失</span><img src="${message.text}"/></div>`;
+                messageFileTag.innerHTML = `<div><span>文件已丢失</span><img loading="lazy" src="${message.text}"/></div>`;
             }
             return messageFileTag;
         }