Merge branch 'develop' into noRootInstall

Author: proteanx

.env.example

@@ -239,6 +239,7 @@ LARGE_VOLENGINE_MODEL=          # Default: doubao-pro-256k
 VOLENGINE_EMBEDDING_MODEL=      # Default: doubao-embedding
 
 # DeepSeek Configuration
+DEEPSEEK_API_KEY=              #Your DeepSeek API key
 DEEPSEEK_API_URL=              # Default: https://api.deepseek.com
 SMALL_DEEPSEEK_MODEL=          # Default: deepseek-chat
 MEDIUM_DEEPSEEK_MODEL=         # Default: deepseek-chat