docs(README): Update configuration instructions

Instruct users to copy config.py.example to config.py for local setup.

@@ -245,6 +245,9 @@ INSIGHT_ENGINE_MODEL_NAME = "kimi-k2-0711-preview"
 #### 4.2 Database Initialization
 
 **Option 1: Use Local Database**
+
+You can refer to `MindSpider\config.py\config.py.example` for the configuration template, and you can copy this file and rename it to `config.py`.
+
 ```bash
 # Local MySQL database initialization
 cd MindSpider

@@ -253,6 +253,8 @@ INSIGHT_ENGINE_MODEL_NAME = "kimi-k2-0711-preview"
 
 > MindSpider爬虫系统跟舆情系统是各自独立的，所以需要再去`MindSpider\config.py`配置一下
 
+配置模板可以参考`MindSpider\config.py\config.py.example`，可以复制该文件并命名为`config.py`
+
 ```bash
 # 本地MySQL数据库初始化
 cd MindSpider