New search engine

src/dbgpt_plugins/search_engine/README.md

@@ -40,8 +40,8 @@ BING_API_KEY=your_bing_api_key
 ```
 
 ## Obtaining Google Cookie:
-1. Go to the [Programmable Search Engine](https://developers.google.com/custom-search/v1/overview#api_key) website.
-2. Go to the [Programmable Search Engine](https://programmablesearchengine.google.com/controlpanel/create) website.
+1. Get Google Key, Go to the [Programmable Search Engine](https://developers.google.com/custom-search/v1/overview#api_key) website.
+2. Google CX, Go to the [Programmable Search Engine](https://programmablesearchengine.google.com/controlpanel/create) website.
 3. Get the API key and cx add it to the `.env` file in your project directory
 4. You can refer to website https://developers.google.com/custom-search/v1/reference/rest
 ![Google Key](./screenshots/google_key.png)

src/dbgpt_plugins/search_engine/baidu_search.py

@@ -12,7 +12,7 @@ def _baidu_search(query: str, num_results=8):
     '''
     engine_cookie = os.getenv("BAIDU_COOKIE", None)
     if not engine_cookie:
-        raise ValueError(f"Current search engine is baidu, please configure cookie information in .env ")
+        raise ValueError(f"Current search engine is baidu, please configure 'BAIDU_COOKIE' in .env ")
 
     headers = {
         'Cookie': engine_cookie,

src/dbgpt_plugins/search_engine/bing_search.py

@@ -19,7 +19,7 @@ def _bing_search(query: str, num_results=8) -> str:
     """
     subscription_key = os.getenv("BING_API_KEY")
     if subscription_key is None:
-        raise ValueError("Please configure BING_API_KEY in .env first!")
+        raise ValueError("Please configure 'BING_API_KEY' in .env first!")
 
     # Bing Search API endpoint
     search_url = "https://api.bing.microsoft.com/v7.0/search"

src/dbgpt_plugins/search_engine/google_search.py

@@ -21,7 +21,7 @@ def _google_search(query: str, num_results=8) -> str:
     API_KEY = os.getenv("GOOGLE_API_KEY")
     API_CX = os.getenv("GOOGLE_API_CX")
     if API_KEY is None or API_CX is None:
-        raise ValueError("Please configure GOOGLE_API_KEY and GOOGLE_API_CX in .env first!")
+        raise ValueError("Please configure 'GOOGLE_API_KEY' and 'GOOGLE_API_CX' in .env first!")
 
     # Bing Search API endpoint
     search_url = f"https://www.googleapis.com/customsearch/v1?key={API_KEY}&q={query}&cx={API_CX}&start=0&num=10"