Zhang Yunlong encouraged Cai Wenjing to participate in "Sister Lang" It turned out that the two were good friends in private, and I just knew Zhang Yunlong encouraged Cai Wenjing to participate in "Sister Lang" It turned out that the two were good friends in private, and I just knew Zhang Yunlong encouraged Cai Wenjing to participate in "Sister Lang" It turned out that the two were good friends in private, and I just knew Zhang Yunlong encouraged Cai Wenjing to participate in "Sister Lang" It turned out that the two were good friends in private, and I just knew Zhang Yunlong encouraged Cai Wenjing to participate in "Sister Lang" It turned out that the two were good friends in private, and I just knew Zhang Yunlong encouraged Cai Wenjing to participate in "Sister Lang" It turned out that the two were good friends in private, and I just knew Zhang Yunlong encouraged Cai Wenjing to participate in "Sister Lang" It turned out that the two were good friends in private, and I just knew