diff --git a/chat2db-server/chat2db-plugins/chat2db-mysql/src/main/java/ai/chat2db/plugin/mysql/MysqlDBManage.java b/chat2db-server/chat2db-plugins/chat2db-mysql/src/main/java/ai/chat2db/plugin/mysql/MysqlDBManage.java
index abdf1583..56566a0a 100644
--- a/chat2db-server/chat2db-plugins/chat2db-mysql/src/main/java/ai/chat2db/plugin/mysql/MysqlDBManage.java
+++ b/chat2db-server/chat2db-plugins/chat2db-mysql/src/main/java/ai/chat2db/plugin/mysql/MysqlDBManage.java
@@ -48,8 +48,10 @@ public class MysqlDBManage extends DefaultDBManage implements DBManage {
             if (resultSet.next()) {
                 asyncContext.write(String.format(FUNCTION_TITLE, functionName));
                 StringBuilder sqlBuilder = new StringBuilder();
-                sqlBuilder.append("DROP FUNCTION IF EXISTS ").append(functionName).append(";").append("\n")
-                        .append(resultSet.getString("Create Function")).append(";").append("\n");
+                sqlBuilder.append("DROP FUNCTION IF EXISTS ").append(functionName).append(";").append("\n");
+
+                sqlBuilder.append("delimiter ;;").append("\n").append(resultSet.getString("Create Function")).append(";;")
+                        .append("\n").append("delimiter ;").append("\n\n");
                 asyncContext.write(sqlBuilder.toString());
             }
         }
diff --git a/chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/model/AsyncContext.java b/chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/model/AsyncContext.java
index 9c68430e..210a7c34 100644
--- a/chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/model/AsyncContext.java
+++ b/chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/model/AsyncContext.java
@@ -39,7 +39,7 @@ public class AsyncContext {
         this.containsData = containsData;
         createWriter();
         asyncCallBack(context);
-        info("start:"+ DateUtil.format(new Date(),NORM_DATETIME_PATTERN));
+        info("start:" + DateUtil.format(new Date(), NORM_DATETIME_PATTERN));
     }
 
     private void createWriter() {
@@ -57,8 +57,8 @@ public class AsyncContext {
                     int n = 1;
                     while (!finish) {
                         // 更新时间逐渐变长避免频繁更新
-                        Thread.sleep(2000 * n);
                         callUpdate();
+                        Thread.sleep(2000 * n);
                         if (n < 300) {
                             n++;
                         }
@@ -110,10 +110,17 @@ public class AsyncContext {
         info.append(message + "\n");
     }
 
+    public void stop(){
+        this.finish = true;
+    }
+
     public void finish() {
         finish = true;
         this.progress = 100;
-        info("finish:"+ DateUtil.format(new Date(),NORM_DATETIME_PATTERN));
+        info("finish:" + DateUtil.format(new Date(), NORM_DATETIME_PATTERN));
+        if (writeFile != null) {
+            info("file:" + writeFile.getAbsolutePath());
+        }
         if (writer != null) {
             writer.flush();
             writer.close();