diff --git a/APIJSONORM/src/main/java/apijson/orm/AbstractSQLConfig.java b/APIJSONORM/src/main/java/apijson/orm/AbstractSQLConfig.java
index a919b273..82808e3e 100755
--- a/APIJSONORM/src/main/java/apijson/orm/AbstractSQLConfig.java
+++ b/APIJSONORM/src/main/java/apijson/orm/AbstractSQLConfig.java
@@ -6324,7 +6324,10 @@ LEFT JOIN ( SELECT count(*)  AS count FROM sys.Comment ) AS Comment ON Comment.m
 				List<String> column = onList == null ? null : new ArrayList<>(onList.size());
 				if (column != null) {
 					for (On on : onList) {
-						column.add(on.getKey());
+						//解决 pg  如果只查询关联键，会报找不到column的错误
+						///* SELECT  count(*)  AS count  FROM sys.Moment AS Moment
+						//			   LEFT JOIN ( SELECT *  FROM sys.Comment ) AS Comment ON Comment.momentId = Moment.id LIMIT 1 OFFSET 0 */
+						//column.add(on.getKey());
 					}
 				}