diff --git a/library/think/db/Builder.php b/library/think/db/Builder.php
index d761a4b5..abc51c1d 100644
--- a/library/think/db/Builder.php
+++ b/library/think/db/Builder.php
@@ -625,6 +625,9 @@ abstract class Builder
      */
     protected function parseComment($comment)
     {
+        if (false !== strpos($comment, '*/')) {
+            $comment = strstr($coment, '*/', true);
+        }
         return !empty($comment) ? ' /* ' . $comment . ' */' : '';
     }