diff --git a/zh/key_stone/k3/k3_docs/k3_usermanual/index.md b/zh/key_stone/k3/k3_docs/k3_usermanual/index.md
index 7b847d8..301e037 100644
--- a/zh/key_stone/k3/k3_docs/k3_usermanual/index.md
+++ b/zh/key_stone/k3/k3_docs/k3_usermanual/index.md
@@ -6,4 +6,21 @@ sidebar_position: 3
 
 K3 用户手册目前仅提供英文版本，您可通过以下链接访问完整文档。
 
-[K3 用户手册](/en/key_stone/k3/k3_docs/k3_usermanual/index.md)
+[K3 User Manual](/en/key_stone/k3/k3_docs/k3_usermanual/index.md)
+- [1. Overview](/en/key_stone/k3/k3_docs/k3_usermanual/01_overview.md)
+- [2. Package](/en/key_stone/k3/k3_docs/k3_usermanual/02_package.md)
+- [3. Pinout](/en/key_stone/k3/k3_docs/k3_usermanual/03_pinout.md)
+- [4. Electrical Characteristics](/en/key_stone/k3/k3_docs/k3_usermanual/04_electrical.md)
+- [5. Boot Modes](/en/key_stone/k3/k3_docs/k3_usermanual/05_boot_modes.md)
+- [6. Address Mapping](/en/key_stone/k3/k3_docs/k3_usermanual/06_address_map.md)
+- [7. Interrupt Assignments](/en/key_stone/k3/k3_docs/k3_usermanual/07_interrupts.md)
+- [8. CPU Subsystem](/en/key_stone/k3/k3_docs/k3_usermanual/08_cpu.md)
+- [9. Memory & Storage](/en/key_stone/k3/k3_docs/k3_usermanual/09_memory_storage.md)
+- [10. Image Subsystem](/en/key_stone/k3/k3_docs/k3_usermanual/10_image.md)
+- [11. Video Subsystem](/en/key_stone/k3/k3_docs/k3_usermanual/11_video.md)
+- [12. Display Subsystem](/en/key_stone/k3/k3_docs/k3_usermanual/12_display.md)
+- [13. Audio Subsystem](/en/key_stone/k3/k3_docs/k3_usermanual/13_audio.md)
+- [14. Connectivity Subsystem](/en/key_stone/k3/k3_docs/k3_usermanual/14_connectivity/index.md)
+- [15. Security Subsystem](/en/key_stone/k3/k3_docs/k3_usermanual/15_security.md)
+- [16. System Peripherals](/en/key_stone/k3/k3_docs/k3_usermanual/16_peripherals/index.md)
+- [17. Clock & Reset](/en/key_stone/k3/k3_docs/k3_usermanual/17_clock_reset.md)