diff --git a/docs/Advanced_development/zh/sidebar.yaml b/docs/Advanced_development/zh/sidebar.yaml
index 5a998d2968b734addadaecb07711634fe28c5efe..ec1647238dbdecb7a6cce2d2c6d4216cc781e5dd 100644
--- a/docs/Advanced_development/zh/sidebar.yaml
+++ b/docs/Advanced_development/zh/sidebar.yaml
@@ -8,7 +8,7 @@ items:
       - label: GPIO及IO中断开发
         file: QuecPythonSub/GPIO.md
       - label: I2C总线开发
-        file: QuecPythonSub/IIC.md
+        file: QuecPythonSub/I2C.md
       - label: PWM开发
         file: QuecPythonSub/Qp_sub_PWM.md
       - label: ADC采样开发