What episode is Wei Zi's injury?

The first episode of Princess Zhu Huan consists of 24 episodes: Wei Zijinsuo came to Beijing to look for Gan Long and met Xiaoyan who made a scene at Liang's son's wedding. Wei Zi covered Xiaoyan from the officers and men, and the two met. Episode 2: Wei Zi and Swallow become sisters. Wei Zi told Swallow about her life experience, and three people went to the paddock. Wei Zi was injured, and the swallow went to the paddock instead of Wei Zi. The swallow was shot back to the palace by an arrow. Episode 3: Swallow is deeply moved by the care of Qianlong. Qianlong mistook the swallow for Gege, and the swallow could not stand the temptation and didn't tell the truth. Episode 4: The little swallow was named Princess Zhu Huan and went to the Temple of Heaven to worship the heavens. Wei Zi saw it. I chased the parade crazily and was beaten half to death by the guards. When I met Er Kang, I was taken back to the Fu family and told the truth to everyone in the Fu family. Episode 5: Swallow is full of guilt and wants to go to the palace to see Wei Zi, but it doesn't work. Erkang's younger brother, Ertai, knows the secret of true and false Gege, and together with Mei, he looks for the swallow to confirm the true and false Gege. The three of them were discussing the matter and were caught by the queen. The swallow collided with the queen and was almost caught. Episode 6: Swallow and Wei Zi communicate with each other through Brother May and Channel 2. Wei Zi decided to make a mistake and give up his identity. The swallow disagreed. Gan Long ordered the swallows to study, which caused many jokes. Wei Zi wanted to leave, but Erkang stopped her. Episode 7: Qianlong decided to let Swallow learn the rules and sent Sister Rong to teach her. The swallow broke out and shattered the nonsense. Qianlong was so angry that he hit the swallow 20 times and finally regretted it. He personally came to see the little swallow and promised her not to learn the rules. Episode 8: Swallow finally couldn't bear it, begging Mei and Ertai to take her out of the palace. They finally agreed to dress Swallow as a eunuch, and Wei Zi and Swallow finally met. However, after the swallow returned to the palace, Gan Long, who came to visit, unexpectedly found that Gan Long was very angry and planned to try the swallow again the next day. Episode 9: The swallow made a mistake and finally passed the customs safely. Everyone breathed a sigh of relief However, when Fu Jia and Lao Jia saw Er Kang's feelings for Wei Zi, they were very worried. They talked to Erkang, but Erkang insisted on not giving up Wei Zi. Then, the website /question/829 10247.html contains the main contents of 10-24 (I've worked very hard, I'll answer you after watching an episode, it's up to you).