diff --git a/Taskfile.yml b/Taskfile.yml
index a83c843..f11fd27 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -41,8 +41,9 @@ tasks:
     desc: Format .v files
     cmds:
       - v fmt -w *.v
-      - v fmt -w commands/*.v
-      - v fmt -w template/*.v
+      - v fmt -w commands
+      - v fmt -w internal/template
+      - v fmt -w internal/config/
     
   clean:
     desc: Clean test files
diff --git a/commands/build.v b/commands/build.v
index 4e19c91..bc59697 100644
--- a/commands/build.v
+++ b/commands/build.v
@@ -7,12 +7,12 @@ import time
 import toml
 import regex
 import markdown
-import template
+import internal.template
 
 const default_config = 'config.toml'
 
 // Allowed parameters
-const config_params = ['title', 'description', 'baseUrl']
+const config_params = ['title', 'description', 'baseUrl', 'build']
 
 const default_template = 'layouts/index.html'
 
diff --git a/example/README.md b/example/README.md
new file mode 100644
index 0000000..93fb8e7
--- /dev/null
+++ b/example/README.md
@@ -0,0 +1,3 @@
+# Example project
+
+This is vss example project.
diff --git a/example/config.toml b/example/config.toml
index 0048965..7cb55ce 100644
--- a/example/config.toml
+++ b/example/config.toml
@@ -1,6 +1,6 @@
 title = "Open Sea"
 description = "Takumi Tsuruta's home page"
-# baseUrl = 'https://zztkm.github.io/vss/'
+# base_url = 'https://zztkm.github.io/vss/'
 
 [build]
-ignoreFiles = ["ignore.md", "README.md"]
\ No newline at end of file
+ignore_files = ["ignore.md", "README.md"]
\ No newline at end of file
diff --git a/internal/config/config.v b/internal/config/config.v
new file mode 100644
index 0000000..005e0ff
--- /dev/null
+++ b/internal/config/config.v
@@ -0,0 +1,32 @@
+module config
+
+import toml
+
+// Build settings for build
+struct Build {
+pub mut:
+	ignore_files []string
+}
+
+struct Config {
+pub mut:
+	build       Build
+	title       string
+	description string
+	base_url    string
+}
+
+// load 
+pub fn load(toml_text string) ?Config {
+	doc := toml.parse_text(toml_text)?
+
+	mut config := doc.reflect<Config>()
+	config.build = doc.value('build').reflect<Build>()
+
+	return config
+}
+
+// as_map for template.parse
+pub fn (c Config) as_map() ?map[string]string {
+
+}
\ No newline at end of file
diff --git a/internal/config/config_test.v b/internal/config/config_test.v
new file mode 100644
index 0000000..968ce49
--- /dev/null
+++ b/internal/config/config_test.v
@@ -0,0 +1,22 @@
+module config
+
+const toml_text = '# for test
+title = "test site"
+description = "test page"
+base_url = "https://vss.github.io/vss/"
+
+[build]
+ignore_files = ["ignore.md", "README.md"]
+'
+
+fn test_load() {
+	config := load(config.toml_text) or {
+		eprintln(err)
+		return
+	}
+
+	assert config.title == 'test site'
+	assert config.description == 'test page'
+	assert config.base_url == 'https://vss.github.io/vss/'
+	assert config.build.ignore_files == ['ignore.md', 'README.md']
+}