diff --git a/sql/engines/mongo.py b/sql/engines/mongo.py
index b1ededea1b..29285ba1fd 100644
--- a/sql/engines/mongo.py
+++ b/sql/engines/mongo.py
@@ -13,6 +13,7 @@
 from dateutil.parser import parse
 from bson.objectid import ObjectId
 from bson.int64 import Int64
+from urllib.parse import quote_plus
 
 from . import EngineBase
 from .models import ResultSet, ReviewSet, ReviewResult
@@ -795,15 +796,13 @@ def execute_check(self, db_name=None, sql=""):
     def get_connection(self, db_name=None):
         self.db_name = db_name or self.instance.db_name or "admin"
         auth_db = self.instance.db_name or "admin"
-        self.conn = pymongo.MongoClient(
-            self.host,
-            self.port,
-            authSource=auth_db,
-            connect=True,
-            connectTimeoutMS=10000,
-        )
         if self.user and self.password:
-            self.conn[self.db_name].authenticate(self.user, self.password, auth_db)
+            user = quote_plus(self.user)
+            password = quote_plus(self.password)
+            uri = f"mongodb://{user}:{password}@{self.host}:{self.port}/{self.db_name}?authSource={auth_db}"
+        else:
+            uri = f"mongodb://{self.host}:{self.port}/{self.db_name}"
+        self.conn = pymongo.MongoClient(uri, connect=True, connectTimeoutMS=10000)
         return self.conn
 
     def close(self):
diff --git a/sql/instance.py b/sql/instance.py
index 54486be745..42890466eb 100644
--- a/sql/instance.py
+++ b/sql/instance.py
@@ -233,9 +233,12 @@ def schemasync(request):
 
     # 提交给SchemaSync获取对比结果
     schema_sync = SchemaSync()
+    tag = int(time.time())
+    timestamp = time.time()
+    formatted_time = time.strftime("%Y%m%d%H%M", time.localtime(timestamp))
     # 准备参数
     tag = int(time.time())
-    output_directory = os.path.join(settings.BASE_DIR, "downloads/schemasync/")
+    output_directory = os.path.join(settings.BASE_DIR, "downloads/schemasync/",formatted_time)
     os.makedirs(output_directory, exist_ok=True)
     args = {
         "sync-auto-inc": sync_auto_inc,
@@ -264,13 +267,13 @@ def schemasync(request):
     # 非全部数据库对比可以读取对比结果并在前端展示
     if db_name != "*":
         date = time.strftime("%Y%m%d", time.localtime())
-        patch_sql_file = "%s%s_%s.%s.patch.sql" % (
+        patch_sql_file = "%s/%s_%s.%s.patch.sql" % (
             output_directory,
             target_db_name,
             tag,
             date,
         )
-        revert_sql_file = "%s%s_%s.%s.revert.sql" % (
+        revert_sql_file = "%s/%s_%s.%s.revert.sql" % (
             output_directory,
             target_db_name,
             tag,