diff --git a/zh-cn/device-dev/subsystems/figures/CertChain.png b/zh-cn/device-dev/subsystems/figures/CertChain.png new file mode 100644 index 0000000000000000000000000000000000000000..1e3bd03e82c3ff0bc07a7eaf982b42b941aaf6e9 Binary files /dev/null and b/zh-cn/device-dev/subsystems/figures/CertChain.png differ