[3] In the same year, she debuted her singing career by becoming a member of South Korean girl group Sunny Days.

[6] In the same year, she sang the interlude song titled "In the Span of a Kiss" for the Chinese television drama The Young Doctor.

In 2015, she sang the interlude song titled "Annual Ring" for the Chinese television drama The Journey of Flower.

She entered the competition as the third challenger; she was originally eliminated in her debut week per the challenge rules (which required her to finish in the top four, where Zhang finished last), but eliminations were canceled after one contestant (Tan Jing) withdrew from the competition.

On 22 January 2021, Zhang announced on her social media account that she had given birth to a girl in 2019, whose father is Chinese singer Hua Chenyu.