diff --git a/src/main/java/com/yanghuanglin/seq/dao/impl/SequencesBase.java b/src/main/java/com/yanghuanglin/seq/dao/impl/SequencesBase.java
index eb3013a..4b92e7e 100644
--- a/src/main/java/com/yanghuanglin/seq/dao/impl/SequencesBase.java
+++ b/src/main/java/com/yanghuanglin/seq/dao/impl/SequencesBase.java
@@ -7,10 +7,12 @@ import org.springframework.core.io.InputStreamResource;
 import org.springframework.core.io.Resource;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
+import org.springframework.jdbc.datasource.init.ScriptUtils;
 
 import javax.sql.DataSource;
 import java.io.*;
 import java.nio.charset.StandardCharsets;
+import java.util.Objects;
 
 public abstract class SequencesBase {
     protected DbType dbType;
@@ -61,6 +63,10 @@ public abstract class SequencesBase {
             }
             InputStream inputStream = new ByteArrayInputStream(sql.getBytes(StandardCharsets.UTF_8));
             ResourceDatabasePopulator databasePopulator = new ResourceDatabasePopulator(new InputStreamResource(inputStream));
+            if (Objects.equals(dbType.getSeries(), DbType.PostgreSQL.getSeries()) && fileName.endsWith("function.sql")) {
+                // 函数文件只能有一个函数，并且函数文件不要通过;分隔
+                databasePopulator.setSeparator(ScriptUtils.EOF_STATEMENT_SEPARATOR);
+            }
             databasePopulator.execute(dataSource);
         } catch (IOException e) {
             System.err.println("执行SQL文件" + fileName + "失败");
diff --git a/src/main/java/com/yanghuanglin/seq/dao/impl/SequencesDaoImpl.java b/src/main/java/com/yanghuanglin/seq/dao/impl/SequencesDaoImpl.java
index c50d720..07af529 100644
--- a/src/main/java/com/yanghuanglin/seq/dao/impl/SequencesDaoImpl.java
+++ b/src/main/java/com/yanghuanglin/seq/dao/impl/SequencesDaoImpl.java
@@ -7,6 +7,8 @@ import com.yanghuanglin.seq.po.Sequences;
 import org.springframework.dao.EmptyResultDataAccessException;
 import org.springframework.jdbc.core.JdbcTemplate;
 
+import java.util.Objects;
+
 
 /**
  * @author yanghuanglin
@@ -56,5 +58,9 @@ public class SequencesDaoImpl extends SequencesBase implements SequencesDao {
     @Override
     public void createTable() {
         this.createTableByFile("create_table_sequences.sql");
+        if (Objects.equals(dbType.getSeries(), DbType.PostgreSQL.getSeries())) {
+            this.createTableByFile("create_table_sequences_function.sql");
+            this.createTableByFile("create_table_sequences_trigger.sql");
+        }
     }
 }
diff --git a/src/main/resources/pgsql/create_table_sequences.sql b/src/main/resources/pgsql/create_table_sequences.sql
index 7bc0822..0dc0268 100644
--- a/src/main/resources/pgsql/create_table_sequences.sql
+++ b/src/main/resources/pgsql/create_table_sequences.sql
@@ -10,23 +10,4 @@ COMMENT ON TABLE "sequences" IS '当前序号表';
 COMMENT ON COLUMN "sequences"."key" IS '序号英文名称';
 COMMENT ON COLUMN "sequences"."type" IS '序号类型';
 COMMENT ON COLUMN "sequences"."seq" IS '已使用到的序号';
-COMMENT ON COLUMN "sequences"."update_time" IS '最后使用时间';
-
-
-/*
-触发器函数，用户更新update_time字段
-*/
-CREATE OR REPLACE FUNCTION SEQUENCES_UPDATE_TIME() RETURNS TRIGGER AS $$
-BEGIN
-    NEW."update_time" := current_timestamp;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql;
-
-/*
-@触发器设置，功能：自动记录更新时间
-@触发器名为 SEQUENCES_UPDATE_TIME
-@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 INSERT OR UPDATE ON "sequences" FOR EACH ROW EXECUTE PROCEDURE SEQUENCES_UPDATE_TIME();
\ No newline at end of file
+COMMENT ON COLUMN "sequences"."update_time" IS '最后使用时间';
\ No newline at end of file
diff --git a/src/main/resources/pgsql/create_table_sequences_function.sql b/src/main/resources/pgsql/create_table_sequences_function.sql
new file mode 100644
index 0000000..92eae24
--- /dev/null
+++ b/src/main/resources/pgsql/create_table_sequences_function.sql
@@ -0,0 +1,6 @@
+CREATE OR REPLACE FUNCTION SEQUENCES_UPDATE_TIME() RETURNS TRIGGER AS $$
+BEGIN
+    NEW."update_time" := current_timestamp;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
\ No newline at end of file
diff --git a/src/main/resources/pgsql/create_table_sequences_trigger.sql b/src/main/resources/pgsql/create_table_sequences_trigger.sql
new file mode 100644
index 0000000..29576b9
--- /dev/null
+++ b/src/main/resources/pgsql/create_table_sequences_trigger.sql
@@ -0,0 +1,2 @@
+DROP TRIGGER IF EXISTS SEQUENCES_UPDATE_TIME ON "sequences" CASCADE;
+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