Exhibit 99.1

AGREEMENT OF JOINT FILING

The parties listed below agree that the Amendment No. 1 of Schedule 13D to which this agreement is attached as an exhibit, and all further amendments thereto, shall be filed on behalf of each of them. This Agreement is intended to satisfy Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended.  This Agreement may be executed in any number of counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

Dated: April 29, 2022

Argo Advisory Limited
By:	/s/ Qiuxia Zhang
Name:	Qiuxia Zhang
Title:	Director
Qiuxia Zhang
By:	/s/ Qiuxia Zhang
Name:	Qiuxia Zhang