diff --git a/cdeps/README.md b/cdeps/README.md
index 3303cf7..b6354dd 100644
--- a/cdeps/README.md
+++ b/cdeps/README.md
@@ -1 +1 @@
-C language dependent package, better to compilation.
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+C language dependent package, better to compilation. You need to follow the relevant agreement and LICENSE.
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diff --git a/cdeps/hook/README.md b/cdeps/hook/README.md
new file mode 100644
index 0000000..233309c
--- /dev/null
+++ b/cdeps/hook/README.md
@@ -0,0 +1,4 @@
+// The hook directory link from the https://github.com/robotn/gohook/
+// hook, you need to follow the relevant agreement and LICENSE.
+// See the LICENSE file at the top-level directory of this distribution and at
+// https://github.com/robotn/gohook/blob/master/LICENSE
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