Yes, the person Ye Ling 'er saw on the boat was Lin Gong.
Ye Ling 'er told Lin Wan' er that Lin Gong was the mastermind behind the Niulan Street assassination.
The reason Ye Ling 'er was afraid of Lin Gong was because he was the one who had tried to assassinate Fan Xian. Fan Xian and Lin Wan 'er were engaged, and Lin Gong did not want his sister to marry Fan Xian. Thus, he threatened Si Lili, wanting to get the token to control Cheng Jushu to attack Fan Xian. Ye Ling 'er saw Lin Gong's actions from the ship and was shocked by his identity and motives. In addition, Ye Ling 'er might also be worried that she and the Ye Clan would be in trouble because of her relationship with Lin Gong. The specific details and reasons might need to be further observed and understood in the series.
Ye Ling 'er was afraid of Lin Gong because she had seen his actions on the ship and realized that he might be the mastermind. Lin Gong was Lin Wan 'er's second brother. He had mistakenly thought that Lin Wan' er liked Fan Xian, so he had planned to assassinate Fan Xian. As Lin Wan 'er's best friend, Ye Ling' er was shocked and frightened by Lin Gong's actions. In addition, Ye Ling 'er was also worried that her family, the Ye Family, would be implicated because of her actions. This was because the Ye Family was a family of officials and needed to maintain a low profile. Ye Ling 'er was the only daughter of the family and shouldered a heavy responsibility. She did not want to bring trouble to the family because of her. Therefore, she chose to remain silent and didn't dare to tell the truth to avoid causing greater danger.
The person Lin Ling 'er saw on the boat in " Celebrating Years " was Lin Gong. Lin Gong was Lin Wan 'er's second brother and the second son of the Prime Minister. He threatened Si Lili, wanting to get the token that controlled Cheng Jushu to attack Fan Xian. Lin Gong was the one who had tried to assassinate Fan Xian. Fan Xian and Lin Wan 'er were engaged, so Lin Ling' er was shocked by his identity.
Ye Ling 'er saw Lin Gong on the boat in the 16th episode of " Celebrating Years." Lin Gong was Lin Wan 'er's second brother. He was the Crown Prince's man, and Fan Xian and Lin Wan' er were engaged. Ye Ling 'er was shocked to see that Lin Gong was the one who had tried to assassinate Fan Xian. Lin Gong's motive was to prevent his sister from marrying Fan Xian, because he didn't want his sister's family to be given to Fan Xian.
The person Ye Ling 'er saw on the boat was Lin Wan' er's second brother, Lin Gong. Lin Gong was the second son of the Prime Minister. He threatened Si Lili, wanting to get the token to control Cheng Jushu to attack Fan Xian. Ye Ling 'er was shocked by this because Lin Gong was the one who had tried to assassinate Fan Xian, and Fan Xian and Lin Wan' er were engaged.
The person Ye Ling 'er saw on the boat was Lin Gong.
The person Ye Ling 'er saw on the boat was Lin Wan' er's second brother, Lin Gong. Lin Gong was the one who had tried to assassinate Fan Xian, and Fan Xian and Lin Wan 'er were engaged. Ye Ling 'er was shocked. Lin Gong's motive was to prevent his sister from marrying Fan Xian, because he didn't want her to marry Fan Xian.
Ye Ling 'er saw Lin Gong on the boat. Lin Gong was Lin Wan 'er's second brother. He was the one who had tried to assassinate Fan Xian. Ye Ling 'er was shocked by this because Fan Xian and Lin Wan' er were engaged. Lin Gong's motive was to prevent his sister from marrying Fan Xian, because he didn't want her to marry Fan Xian.
The person Ye Ling 'er saw on the boat in " Celebrating Years " was Lin Gong. Lin Gong was Lin Wan 'er's second brother. He was the Crown Prince's man, and Fan Xian and Lin Wan' er were engaged. Ye Ling 'er was shocked to see that Lin Gong was the one who had tried to assassinate Fan Xian. Lin Gong's motive was to prevent his sister from marrying Fan Xian, because he didn't want his sister's family to be given to Fan Xian.