diff --git a/searchgram/engine.py b/searchgram/engine.py
index 53baa1a..8ba48bf 100644
--- a/searchgram/engine.py
+++ b/searchgram/engine.py
@@ -38,7 +38,7 @@ def check_ignore(message):
             return True
 
     @staticmethod
-    def __clean_user(user: "str"):
+    def clean_user(user: "str"):
         if user is None:
             return None
         with contextlib.suppress(Exception):
@@ -52,8 +52,89 @@ def __clean_user(user: "str"):
     def upsert(self, message):
         pass
 
-    def search(self, keyword, _type=None, user=None, page=1, mode=None):
-        pass
+    def search(self, keyword, _type=None, user=None, page=1, mode=None) -> dict:
+        """
+
+        :param keyword:
+        :param _type: ChatType.["BOT", "CHANNEL", "GROUP", "PRIVATE", "SUPERGROUP"]
+        :param user: username or id
+        :param page:
+        :param mode: exact match
+        :return:
+        """
+
+        return {
+            "hits": [
+                {
+                    "ID": "123456-1114100",
+                    "_": "Message",
+                    "id": 1114100,
+                    "from_user": {
+                        "_": "User",
+                        "id": 260260121,
+                        "is_self": True,
+                        "is_contact": False,
+                        "is_mutual_contact": False,
+                        "is_deleted": False,
+                        "is_bot": False,
+                        "is_verified": False,
+                        "is_restricted": False,
+                        "is_scam": False,
+                        "is_fake": False,
+                        "is_support": False,
+                        "is_premium": True,
+                        "first_name": "Benny小可爱",
+                        "status": "UserStatus.ONLINE",
+                        "next_offline_date": "2023-11-18 16:35:09",
+                        "username": "BennyThink",
+                        "emoji_status": {"_": "EmojiStatus", "custom_emoji_id": 5377556559356238807},
+                        "dc_id": 5,
+                        "phone_number": "*********",
+                        "photo": {
+                            "_": "ChatPhoto",
+                            "small_file_id": "AQADBQADtacxGxlBgw8AEAIAAxlBgw8ABNG47cEZeO_bAAQeBA",
+                            "small_photo_unique_id": "AgADtacxGxlBgw8",
+                            "big_file_id": "AQADBQADtacxGxlBgw8AEAMAAxlBgw8ABNG47cEZeO_bAAQeBA",
+                            "big_photo_unique_id": "AgADtacxGxlBgw8",
+                        },
+                    },
+                    "date": "2023-11-18 16:30:21",
+                    "chat": {
+                        "_": "Chat",
+                        "id": 123456,
+                        "type": "ChatType.PRIVATE",
+                        "is_verified": False,
+                        "is_restricted": False,
+                        "is_scam": False,
+                        "is_fake": False,
+                        "is_support": False,
+                        "username": "name_unknow",
+                        "first_name": "ok",
+                        "photo": {
+                            "_": "ChatPhoto",
+                            "small_file_id": "edfgh567",
+                            "small_photo_unique_id": "ghjgh",
+                            "big_file_id": "AQAeBA",
+                            "big_photo_unique_id": "AgyebeVQ",
+                        },
+                        "dc_id": 5,
+                    },
+                    "mentioned": False,
+                    "scheduled": False,
+                    "from_scheduled": False,
+                    "has_protected_content": False,
+                    "text": "测试仪你",
+                    "outgoing": True,
+                    "timestamp": 1700321421,
+                }
+            ],
+            "query": "测试",
+            "processingTimeMs": 1,
+            "hitsPerPage": 10,
+            "page": 1,
+            "totalPages": 1,
+            "totalHits": 1,
+        }
 
     def ping(self) -> str:
         pass
diff --git a/searchgram/meili.py b/searchgram/meili.py
index 2e382c7..68325d2 100644
--- a/searchgram/meili.py
+++ b/searchgram/meili.py
@@ -36,10 +36,10 @@ def upsert(self, message):
         data = self.set_uid(message)
         self.client.index("telegram").add_documents([data], primary_key="ID")
 
-    def search(self, keyword, _type=None, user=None, page=1, mode=None):
+    def search(self, keyword, _type=None, user=None, page=1, mode=None) -> dict:
         if mode:
             keyword = f'"{keyword}"'
-        user = self.__clean_user(user)
+        user = self.clean_user(user)
         params = {
             "hitsPerPage": 10,
             "page": page,
diff --git a/searchgram/mongo.py b/searchgram/mongo.py
index 1322734..3fe434b 100644
--- a/searchgram/mongo.py
+++ b/searchgram/mongo.py
@@ -67,12 +67,12 @@ def search2(self, keyword, _type=None, user=None, page=1, mode=None):
         return results
 
     def ping(self) -> str:
-        count = self.col.count_documents({})
+        count = self.chat.count_documents({})
         size = self.db.command("dbstats")["storageSize"]
         return f"{count} messages, {sizeof_fmt(size)}"
 
     def clear_db(self):
-        pass
+        self.client.drop_database("telegram")
 
 
 if __name__ == "__main__":