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This likely stands for Kaixin Sudia (开心速递) , which refers to the specific long-running spin-off Love Come Home: Lo and Behold . Download File AiHuiJiaKXSD.EP1774.mp4
Ai Hui Jia (愛·回家), often localized as Love Come Home . If you are looking to watch or verify
This high episode number confirms it is from the Lo and Behold series, which surpassed 1,000 episodes years ago and continues to air daily. "Deep" Reflection on Episode 1774 which surpassed 1