diff --git a/README.MD b/README.MD
index d811aa4..fb96d82 100644
--- a/README.MD
+++ b/README.MD
@@ -35,7 +35,13 @@
     
 ---
 
-### 2024-07-07 表情短代码解析集成
+- 2025.07.07 表情短代码解析集成
   - 1.1.5
   
-   - 将表情短代码（如 :smile:）自动解析为图片表情，集成到主题评论内容输出中。
\ No newline at end of file
+   - 将表情短代码（如 :smile:）自动解析为图片表情，集成到主题评论内容输出中。
+
+- 2025.07.08
+  - 1.1.6
+  
+   - 修复头像区域背景的bug
+   - 优化php8.3兼容性
\ No newline at end of file
diff --git a/functions.php b/functions.php
index 27ce07b..7d09675 100644
--- a/functions.php
+++ b/functions.php
@@ -433,9 +433,11 @@ function getBrowsersInfo($userAgent) {
         "WebOS" => pregMatch("/^.*hpwOS\/([\d.]+);.*$/", $userAgent)
     ];
  
-    if ($systemVersion[$deviceInfo['system']]) {
-        $deviceInfo['systemVersion'] = $systemVersion[$deviceInfo['system']];
-        if ($deviceInfo['systemVersion'] == $userAgent) $deviceInfo['systemVersion'] = '';
+    if (isset($deviceInfo['system']) && $deviceInfo['system'] !== "" && isset($systemVersion[$deviceInfo['system']])) {
+    $deviceInfo['systemVersion'] = $systemVersion[$deviceInfo['system']];
+    if ($deviceInfo['systemVersion'] == $userAgent) {
+        $deviceInfo['systemVersion'] = '';
+       }
     }
  
     // 浏览器版本信息
@@ -536,9 +538,11 @@ function getBrowsersInfo($userAgent) {
     ];
  
  
-    if ($browsersVersion[$deviceInfo['browser']]) {
-        $deviceInfo["version"] = $browsersVersion[$deviceInfo['browser']];
-        if ($deviceInfo["version"] == $userAgent) $deviceInfo['version'] = '';
+    if (isset($deviceInfo['browser'], $browsersVersion[$deviceInfo['browser']])) {
+    $deviceInfo['version'] = $browsersVersion[$deviceInfo['browser']];
+    if ($deviceInfo['version'] == $userAgent) {
+        $deviceInfo['version'] = '';
+      }
     }
  
     // 修正浏览器版本信息
@@ -960,7 +964,7 @@ function parse_smiley_shortcode($content) {
     ];
     $themeUrl = Helper::options()->themeUrl . '/assets/img/smiley/';
     foreach ($smileys as $code => $img) {
-        $imgTag = '<img class="smiley-img" src="' . $themeUrl . $img . '" alt="' . $code . '" title="表情" style="width:24px;height:24px;vertical-align:middle;" />';
+        $imgTag = '<img class="smiley-img" src="' . $themeUrl . $img . '" alt="' . $code . '" title="表情" style="width:16px;height:16px;vertical-align:middle;" />';
         $content = str_replace($code, $imgTag, $content);
     }
     return $content;
diff --git a/index.php b/index.php
index a5fa178..056d446 100644
--- a/index.php
+++ b/index.php
@@ -4,7 +4,7 @@
  *
  * @package Typecho Pouck Theme
  * @author 老孙博客
- * @version 1.1.6
+ * @version 1.1.7
  * @link http://www.imsun.org
  */
 
diff --git a/sidebar.php b/sidebar.php
index 5fd5f7e..02a071d 100644
--- a/sidebar.php
+++ b/sidebar.php
@@ -45,7 +45,7 @@ if ($totalViews === null) $totalViews = 0;
 ?>        
         <?php if (!empty($this->options->sidebarBlock) && in_array('ShowAdmin', $this->options->sidebarBlock)): ?>
         <div class="widget-puock-author widget">
-            <div class="header" style="background-image: url('<?php echo $this->options->bgUrl() ?: $this->options->themeUrl('assets/img/cover.png'); ?>')">
+            <div class="header" style="background-image: url('<?php echo $this->options->bgUrl ?? $this->options->themeUrl('assets/img/cover.png'); ?>')">
                 <img src='<?php $this->options->themeUrl('assets/img/load.svg'); ?>' class='lazy avatar' data-src='<?php echo $avatar; ?>' >
             </div>
             <div class="content t-md puock-text">