diff --git a/src/main/java/com/yanghuanglin/seq/enums/DbType.java b/src/main/java/com/yanghuanglin/seq/enums/DbType.java
index 779d446..ece0f15 100644
--- a/src/main/java/com/yanghuanglin/seq/enums/DbType.java
+++ b/src/main/java/com/yanghuanglin/seq/enums/DbType.java
@@ -7,8 +7,6 @@ public enum DbType {
     DM_DBMS("dm"),
     //人大金仓数据库
     KingbaseES("pgsql"),
-    //南大通用GBase8c
-    GBase8c("pgsql"),
     //PostgreSQL数据库
     PostgreSQL("pgsql");
 
diff --git a/src/main/resources/pgsql/create_table_sequences.sql b/src/main/resources/pgsql/create_table_sequences.sql
index ffc36ef..7bc0822 100644
--- a/src/main/resources/pgsql/create_table_sequences.sql
+++ b/src/main/resources/pgsql/create_table_sequences.sql
@@ -29,4 +29,4 @@ $$ LANGUAGE plpgsql;
 @触发器执行范围为每行生效
 */
 DROP TRIGGER IF EXISTS SEQUENCES_UPDATE_TIME ON "sequences" CASCADE;
-CREATE TRIGGER SEQUENCES_UPDATE_TIME BEFORE UPDATE ON "sequences" FOR EACH ROW EXECUTE FUNCTION SEQUENCES_UPDATE_TIME();
\ No newline at end of file
+CREATE TRIGGER SEQUENCES_UPDATE_TIME BEFORE INSERT OR UPDATE ON "sequences" FOR EACH ROW EXECUTE PROCEDURE SEQUENCES_UPDATE_TIME();
\ No newline at end of file