改名

Database/Traits/Builder.php

@@ -135,7 +135,7 @@ trait Builder
 			$_tmp[] = $_value;
 		}
 		if (!empty($_tmp)) {
-			return '(' . implode(') AND (', $_tmp) . ')';
+			return implode(' AND ', $_tmp);
 		}
 		return '';
 	}

Database/Traits/QueryTrait.php

@@ -839,7 +839,7 @@ trait QueryTrait
 		if ($onlyWhere === true) {
 			return $generate->getCondition();
 		}
-		return $generate->getSql();
+		return '(' . $generate->getSql() . ')';
 	}