diff --git a/public/index.php b/public/index.php
index 8d10035..2af044a 100644
--- a/public/index.php
+++ b/public/index.php
@@ -303,7 +303,7 @@ function init()
 
         $row = $stmt->fetch(PDO::FETCH_ASSOC);
 
-        if (empty($row['stc'])) {
+        if (empty($row['src'])) {
             echo_json([
                 "code" => 1,
                 "msg" => "图片不存在",