diff --git a/How-to-use-debug-API.md b/How-to-use-debug-API.md
deleted file mode 100644
index 75ebd45..0000000
--- a/How-to-use-debug-API.md
+++ /dev/null
@@ -1,37 +0,0 @@
-### Get this repo
-```shell
-git clone -b Alpha https://github.com/MetaCubeX/Clash.Meta.git clash-meta
-```
-
-### Build clash-meta
-```shell
-cd clash-meta
-go build -o clash-meta
-```
-
-### start clash-meta:
-put your config.yaml in this directory, set log level to **debug** and run:
-```shell
-./clash-meta -d ./
-```
-
-### Use debug API
-You can check available API on `http://127.0.0.1:xxxx/debug/pprof/`,
-`xxxx` refers to the `external-controller` port in your config.yaml.
-
-You may need to install [Graphviz](https://graphviz.org/download/) before you view the http debug API tools below:
-
-Heap details: 
-```
-go tool pprof -http=:8080 http://127.0.0.1:xxxx/debug/pprof/heap
-````
-[Full image](https://raw.githubusercontent.com/MetaCubeX/Clash.Meta/Alpha/docs/heap.svg)
-<img src="https://raw.githubusercontent.com/MetaCubeX/Clash.Meta/Alpha/docs/heap.svg">
-
-Allocs details
-````
-go tool pprof -http=:8080 http://127.0.0.1:xxxx/debug/pprof/allocs
-````
-[Full image](https://raw.githubusercontent.com/MetaCubeX/Clash.Meta/Alpha/docs/allocs.svg)
-<img src="https://raw.githubusercontent.com/MetaCubeX/Clash.Meta/Alpha/docs/allocs.svg">
-