diff --git a/README.md b/README.md
index c5606d1..aa8c664 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,7 @@
     * [LoRa / ZigBee](.06-NetworkIot/README.md#lora--zigbee)
   * [物联网协议栈](./06-NetworkIot/README.md#物联网协议栈)
     * [MQTT](./06-NetworkIot/README.md#-mqtt)
-    * [HTTP/HTTPS](./06-NetworkIot/README.md-HTTP#http--https)
+    * [HTTP/HTTPS](./06-NetworkIot/README.md#http--https)
     * [CoAP/LwM2M](./06-NetworkIot/README.md#coap--lwm2m)
   * [云平台接入 & OTA 实现](./06-NetworkIot/README.md#云平台接入--ota-实现)
     * [云平台对接](./06-NetworkIot/README.md#云平台对接)