不使用本地库，使用mariadb完成存储

message_report/write_db.py

@@ -32,7 +32,7 @@ def write_to_db():
             with connection.cursor() as cursor:
                 # 插入消息信息
                 sql = """
-                    INSERT OR REPLACE INTO speech_counts (group_id, wx_id, date, count) VALUES (%s, %s, %s, %s)
+                    INSERT INTO speech_counts (group_id, wx_id, date, count) VALUES (%s, %s, %s, %s)
                 """
                 cursor.execute(sql, (group_id, wx_id, yesterday, count))