diff --git a/.gitignore b/.gitignore
index 3c2bcc850f93..444eeac0ec05 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,4 @@ luac.out
 logs
 t/servroot
 go
+\.*
diff --git a/README.md b/README.md
index a982c0f9fadd..0aaa45dcb408 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,21 @@
-# apimeta
\ No newline at end of file
+# Summary
+
+# Design Doc
+
+### How to load the plugin?
+
+![](doc/flow-load-plugin.png)
+
+### Plugin
+
+![](doc/flow-plugin-internal.png)
+
+
+# Development
+
+### Source Install
+
+> Dependent library
+
+* Setups the [resty-r3#install](https://github.com/iresty/lua-resty-r3#install) library.
+
diff --git a/conf/config.yaml b/conf/config.yaml
index 5f45d127b8cd..c8ca617598c1 100644
--- a/conf/config.yaml
+++ b/conf/config.yaml
@@ -2,3 +2,6 @@ etcd:
   host: "http://127.0.0.1:2379"
   prefix: "/v2/keys"
   timeout: 60
+
+plugins:
+  - example_plugin
diff --git a/doc/apimeta-plugin-design.graffle b/doc/apimeta-plugin-design.graffle
new file mode 100644
index 000000000000..280a830e28e0
Binary files /dev/null and b/doc/apimeta-plugin-design.graffle differ
diff --git a/doc/flow-load-plugin.png b/doc/flow-load-plugin.png
new file mode 100644
index 000000000000..070d233313e5
Binary files /dev/null and b/doc/flow-load-plugin.png differ
diff --git a/doc/flow-plugin-internal.png b/doc/flow-plugin-internal.png
new file mode 100644
index 000000000000..b84fd602ef72
Binary files /dev/null and b/doc/flow-plugin-internal.png differ
diff --git a/lua/apimeta/comm/config.lua b/lua/apimeta/comm/config.lua
index 3cc895aff6ef..dd7fde7f914a 100644
--- a/lua/apimeta/comm/config.lua
+++ b/lua/apimeta/comm/config.lua
@@ -15,7 +15,7 @@ local function read_file(path)
         return nil
     end
 
-    local content = file:read("*a") -- *a or *all reads the whole file
+    local content = file:read("*a") -- `*a` reads the whole file
     file:close()
     return content
 end
diff --git a/t/yaml-config.t b/t/yaml-config.t
index f6e9ecc8b3c7..4dccb5f62568 100644
--- a/t/yaml-config.t
+++ b/t/yaml-config.t
@@ -15,8 +15,10 @@ __DATA__
         content_by_lua_block {
             local encode_json = require "cjson.safe" .encode
             local config = require("apimeta.comm.config").read()
+
             ngx.say("etcd host: ", config.etcd.host)
             ngx.say("etcd prefix: ", config.etcd.prefix)
+            ngx.say("plugins: ", encode_json(config.plugins))
         }
     }
 --- request
@@ -24,3 +26,4 @@ GET /t
 --- response_body
 etcd host: http://127.0.0.1:2379
 etcd prefix: /v2/keys
+plugins: ["example_plugin"]