diff --git a/zh-cn/readme/figures/zh-cn_architecture-of-telephony-subsystem.png b/zh-cn/readme/figures/zh-cn_architecture-of-telephony-subsystem.png
index de39bfae502cd4fc2fd39dcd35834a98e34bb2f6..4bd987fc1f740068c96cce6d67769ac4dcb0bc8e 100755
Binary files a/zh-cn/readme/figures/zh-cn_architecture-of-telephony-subsystem.png and b/zh-cn/readme/figures/zh-cn_architecture-of-telephony-subsystem.png differ