diff --git a/library/think/Request.php b/library/think/Request.php
index 36b2ac2d..5f05b916 100644
--- a/library/think/Request.php
+++ b/library/think/Request.php
@@ -1093,7 +1093,7 @@ class Request
     public function filterExp(&$value)
     {
         // 过滤查询特殊字符
-        if (is_string($value) && preg_match('/^(EXP|NEQ|GT|EGT|LT|ELT|OR|XOR|LIKE|NOTLIKE|NOT BETWEEN|NOTBETWEEN|BETWEEN|NOTIN|NOT IN|IN)$/i', $value)) {
+        if (is_string($value) && preg_match('/^(EXP|NEQ|GT|EGT|LT|ELT|OR|XOR|LIKE|NOTLIKE|NOT LIKE|NOT BETWEEN|NOTBETWEEN|BETWEEN|NOTIN|NOT IN|IN)$/i', $value)) {
             $value .= ' ';
         }
         // TODO 其他安全过滤