feat: Add default value for DB_MAX_OVERFLOW (#1927)

Author: shaohuzhang1

apps/smartdoc/conf.py

@@ -81,6 +81,7 @@ class Config(dict):
         "DB_USER": "root",
         "DB_PASSWORD": "Password123@postgres",
         "DB_ENGINE": "dj_db_conn_pool.backends.postgresql",
+        "DB_MAX_OVERFLOW": 80,
         # 向量模型
         "EMBEDDING_MODEL_NAME": "shibing624/text2vec-base-chinese",
         "EMBEDDING_DEVICE": "cpu",