fix: 调整数据库刷新间隔和请求延迟以优化性能

DB.py

@@ -503,7 +503,7 @@ class DBVidcon:
 
 class DBSA:
     FLUSH_EVERY_ROWS = 100  # 行阈值
-    FLUSH_INTERVAL = 30  # 秒阈值
+    FLUSH_INTERVAL = 40  # 秒阈值
 
     _buf_op: List[Dict] = []
     _buf_vid: List[Dict] = []

main.py

@@ -165,7 +165,7 @@ def integrate_data_parallel():
         futures = []
         for payload, kitem in tasks:
             futures.append(executor.submit(search_worker, payload, kitem, flag))
-            time.sleep(3)
+            time.sleep(1)
 
         rollback = {0: [], 1: [], 2: []}