- 优化 初始化时若数据库超时，则放弃预热；

FreeSql/Sqlite/SqliteAdo/SqliteConnectionPool.cs

@@ -71,8 +71,15 @@ namespace FreeSql.Sqlite {
 					Attaches = (idx == -1 ? att[1] : att[1].Substring(0, idx)).Split(',');
 				}
 
-				var initConns = new Object<DbConnection>[poolsize];
-				for (var a = 0; a < poolsize; a++) try { initConns[a] = _pool.Get(); } catch { }
+				var initConns = new List<Object<DbConnection>>();
+				for (var a = 0; a < PoolSize; a++)
+					try {
+						var conn = _pool.Get();
+						initConns.Add(conn);
+						conn.Value.Ping(true);
+					} catch {
+						break; //预热失败一次就退出
+					}
 				foreach (var conn in initConns) _pool.Return(conn);
 			}
 		}