diff --git a/library/think/db/Builder.php b/library/think/db/Builder.php
index 019b03f8..7a589d08 100644
--- a/library/think/db/Builder.php
+++ b/library/think/db/Builder.php
@@ -348,9 +348,14 @@ abstract class Builder
 
         $whereStr = '';
         if (in_array($exp, ['=', '<>', '>', '>=', '<', '<='])) {
-            // 比较运算 及 模糊匹配
-            $whereStr .= $key . ' ' . $exp . ' ' . $this->parseValue($value, $field);
+            // 比较运算
+            if ($value instanceof \Closure) {
+                $whereStr .= $key . ' ' . $exp . ' ' . $this->parseClosure($value);
+            } else {
+                $whereStr .= $key . ' ' . $exp . ' ' . $this->parseValue($value, $field);
+            }
         } elseif ('LIKE' == $exp || 'NOT LIKE' == $exp) {
+            // 模糊匹配
             if (is_array($value)) {
                 foreach ($value as $item) {
                     $array[] = $key . ' ' . $exp . ' ' . $this->parseValue($item, $field);