diff --git a/apps/application/migrations/0015_re_database_index.py b/apps/application/migrations/0015_re_database_index.py
new file mode 100644
index 000000000..740a2a2d2
--- /dev/null
+++ b/apps/application/migrations/0015_re_database_index.py
@@ -0,0 +1,63 @@
+# Generated by Django 4.2.15 on 2024-09-18 16:14
+import logging
+
+import psycopg2
+from django.db import migrations
+from psycopg2 import extensions
+
+from smartdoc.const import CONFIG
+
+
+def get_connect(db_name):
+    conn_params = {
+        "dbname": db_name,
+        "user": CONFIG.get('DB_USER'),
+        "password": CONFIG.get('DB_PASSWORD'),
+        "host": CONFIG.get('DB_HOST'),
+        "port": CONFIG.get('DB_PORT')
+    }
+    # 建立连接
+    connect = psycopg2.connect(**conn_params)
+    return connect
+
+
+def sql_execute(conn, reindex_sql: str, alter_database_sql: str):
+    """
+    执行一条sql
+    @param reindex_sql:
+    @param conn:
+    @param alter_database_sql:
+    """
+    conn.set_isolation_level(extensions.ISOLATION_LEVEL_AUTOCOMMIT)
+    with conn.cursor() as cursor:
+        cursor.execute(reindex_sql, [])
+        cursor.execute(alter_database_sql, [])
+        cursor.close()
+
+
+def re_index(apps, schema_editor):
+    app_db_name = CONFIG.get('DB_NAME')
+    try:
+        re_index_database(app_db_name)
+    except Exception as e:
+        logging.error(f'reindex database {app_db_name}发送错误:{str(e)}')
+    try:
+        re_index_database('root')
+    except Exception as e:
+        logging.error(f'reindex database root 发送错误:{str(e)}')
+
+
+def re_index_database(db_name):
+    db_conn = get_connect(db_name)
+    sql_execute(db_conn, f'REINDEX DATABASE "{db_name}";', f'ALTER DATABASE "{db_name}" REFRESH COLLATION VERSION;')
+    db_conn.close()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('application', '0014_application_problem_optimization_prompt'),
+    ]
+
+    operations = [
+        migrations.RunPython(re_index, atomic=False)
+    ]