diff --git a/core/captcha.php b/core/captcha.php
index ff0da26..27254b6 100644
--- a/core/captcha.php
+++ b/core/captcha.php
@@ -1,11 +1,9 @@
 <?php
-
-/* 生成图片验证码 */
 session_start();
 
 header("Content-type: image/png");
 
-$image = imagecreatetruecolor(85, 40);
+$image = imagecreatetruecolor(85, 25);
 $bgcolor = imagecolorallocate($image, 255, 255, 255);
 imagecolortransparent($image, $bgcolor);
 imagefill($image, 0, 0, $bgcolor);
@@ -17,7 +15,7 @@ $captcha = "";
 /* 绘制干扰点 */
 for ($i = 0; $i < 80; $i++) {
     $pointColor = imagecolorallocate($image, rand(100, 255), rand(100, 255), rand(100, 255));
-    imagesetpixel($image, rand(0, 85), rand(0, 40), $pointColor);
+    imagesetpixel($image, rand(0, 85), rand(0, 25), $pointColor);
 }
 
 /* 绘制验证码 */
@@ -27,7 +25,7 @@ for ($i = 0; $i < 4; $i++) {
     $fontContent = rand(0, 9);
     $captcha .= $fontContent;
     $x = ($i * 85 / 4) + 7;
-    $y = rand(10, 15);
+    $y = rand(3, 8);
     imagestring($image, $fontSize, $x, $y, $fontContent, $fontColor);
 }
 
diff --git a/core/function.php b/core/function.php
index 98426ac..1d33e0d 100644
--- a/core/function.php
+++ b/core/function.php
@@ -2,7 +2,7 @@
 /* 获取主题当前版本号 */
 function _getVersion()
 {
-	return "6.9.6";
+	return "6.9.7";
 };
 
 /* 判断是否是手机 */
diff --git a/package.json b/package.json
index ae435c3..6385486 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "typecho-joe-next",
-	"version": "6.9.6",
+	"version": "6.9.7",
 	"description": "A Theme Of Typecho",
 	"main": "index.php",
 	"keywords": [
diff --git a/public/comment.php b/public/comment.php
index 79e43a9..a9d8701 100644
--- a/public/comment.php
+++ b/public/comment.php
@@ -27,7 +27,7 @@
                         </div>
                         <div class="list captcha">
                             <input maxlength="4" type="text" autocomplete="off" name="captcha" placeholder="请输入验证码..." />
-                            <img style="cursor: pointer;" src="<?php $this->options->themeUrl('core/captcha.php'); ?>" onclick="this.src = this.src">
+                            <img style="cursor: pointer; margin-right: 5px;" src="<?php $this->options->themeUrl('core/captcha.php'); ?>" onclick="this.src = this.src">
                         </div>
                     </div>
                     <div class="body">