diff --git a/Application/Admin/Common/function.php b/Application/Admin/Common/function.php
index 0b8423ef2..bcb506d46 100644
--- a/Application/Admin/Common/function.php
+++ b/Application/Admin/Common/function.php
@@ -584,4 +584,16 @@ function getAllGame()
 {
     $list = M("game", 'tab_')->field('relation_game_name as game_name')->group('relation_game_name')->select();
     return $list;
+}
+
+/**
+ * 中间加密 替换字符串的子串
+ */
+function encryptStr($str) {
+    $length = strlen($str);
+    $stars_str = "";
+    for ($x=0; $x<=$length-6; $x++) {
+        $stars_str = $stars_str."*";
+    }
+    return substr_replace($str, $stars_str, 3, $length-6);
 }
\ No newline at end of file