diff --git a/.rustfmt.toml b/.rustfmt.toml
new file mode 100644
index 0000000..79bf0b7
--- /dev/null
+++ b/.rustfmt.toml
@@ -0,0 +1,3 @@
+
+max_width = 136
+tab_spaces = 2
diff --git a/Cargo.lock b/Cargo.lock
index 7dc8f13..ced4415 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,15 +8,9 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbf56136a5198c7b01a49e3afcbef6cf84597273d298f54432926024107b0109"
 
-[[package]]
-name = "autocfg"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
-
 [[package]]
 name = "calcit_http"
-version = "0.0.6"
+version = "0.0.7"
 dependencies = [
  "cirru_edn",
  "cirru_parser",
@@ -29,18 +23,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "chrono"
-version = "0.4.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
-dependencies = [
- "libc",
- "num-integer",
- "num-traits",
- "winapi",
-]
-
 [[package]]
 name = "chunked_transfer"
 version = "1.4.0"
@@ -49,9 +31,9 @@ checksum = "fff857943da45f546682664a79488be82e69e43c1a7a2307679ab9afb3a66d2e"
 
 [[package]]
 name = "cirru_edn"
-version = "0.2.8"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4888ae76433b2504f820e97d63297db438f9d3ba377456f203ebb0747282c613"
+checksum = "92227d12bd2bd8874930d31d987e194bb70066851a4bf833e2d1086ecd1a7460"
 dependencies = [
  "cirru_parser",
  "hex",
@@ -60,9 +42,9 @@ dependencies = [
 
 [[package]]
 name = "cirru_parser"
-version = "0.1.12"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7344fe701ed60135a9caad1269b200a7dc559abd9860ac5a8b29c674ce579a05"
+checksum = "f4818f8cbad45841e6e0166ae5f1bad3051f63ad398a1e47586fa61fb9fba6ce"
 
 [[package]]
 name = "form_urlencoded"
@@ -76,9 +58,9 @@ dependencies = [
 
 [[package]]
 name = "hex"
-version = "0.3.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
 name = "idna"
@@ -91,6 +73,12 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -99,9 +87,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.104"
+version = "0.2.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b2f96d100e1cf1929e7719b7edb3b90ab5298072638fccd77be9ce942ecdfce"
+checksum = "ec647867e2bf0772e28c8bcde4f0d19a9216916e890543b5a03ed8ef27b8f259"
 
 [[package]]
 name = "log"
@@ -119,40 +107,48 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
 [[package]]
-name = "num-integer"
-version = "0.1.44"
+name = "num_threads"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+checksum = "aba1801fb138d8e85e11d0fc70baf4fe1cdfffda7c6cd34a854905df588e5ed0"
 dependencies = [
- "autocfg",
- "num-traits",
+ "libc",
 ]
 
 [[package]]
-name = "num-traits"
-version = "0.2.14"
+name = "percent-encoding"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
+
+[[package]]
+name = "time"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+checksum = "c2702e08a7a860f005826c6815dcac101b19b5eb330c27fe4a5928fec1d20ddd"
 dependencies = [
- "autocfg",
+ "itoa",
+ "libc",
+ "num_threads",
+ "time-macros",
 ]
 
 [[package]]
-name = "percent-encoding"
-version = "2.1.0"
+name = "time-macros"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
+checksum = "42657b1a6f4d817cda8e7a0ace261fe0cc946cf3a80314390b22cc61ae080792"
 
 [[package]]
 name = "tiny_http"
-version = "0.9.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96155b5f7149ba7a99ea5d516c538250b26eab60b4485c0f5344432573e7a450"
+checksum = "e0d6ef4e10d23c1efb862eecad25c5054429a71958b4eeef85eb5e7170b477ca"
 dependencies = [
  "ascii",
- "chrono",
  "chunked_transfer",
  "log",
+ "time",
  "url",
 ]
 
@@ -197,25 +193,3 @@ dependencies = [
  "matches",
  "percent-encoding",
 ]
-
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/Cargo.toml b/Cargo.toml
index f3dc58a..9661a2c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "calcit_http"
-version = "0.0.6"
+version = "0.0.7"
 authors = ["jiyinyiyong <jiyinyiyong@gmail.com>"]
 edition = "2018"
 
@@ -13,6 +13,6 @@ crate-type = ["dylib"] # Creates dynamic lib
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-cirru_edn = "0.2.8"
-cirru_parser = "0.1.12"
-tiny_http = "0.9"
+cirru_edn = "0.2.14"
+cirru_parser = "0.1.18"
+tiny_http = "0.11.0"
diff --git a/calcit.cirru b/calcit.cirru
index 9d2a7b6..a9bed00 100644
--- a/calcit.cirru
+++ b/calcit.cirru
@@ -279,3 +279,6 @@
   :configs $ {} (:port 6001) (:init-fn |http.test/main!) (:reload-fn |http.test/reload!)
     :modules $ []
     :version |0.0.6
+  :entries $ {}
+    :server $ {} (:init-fn |http.test/demo-server!) (:reload-fn |http.test/reload!)
+      :modules $ []
diff --git a/compact.cirru b/compact.cirru
index 3478aae..1b61f2c 100644
--- a/compact.cirru
+++ b/compact.cirru
@@ -3,6 +3,9 @@
   :configs $ {} (:init-fn |http.test/main!) (:reload-fn |http.test/reload!)
     :modules $ []
     :version |0.0.6
+  :entries $ {}
+    :server $ {} (:init-fn |http.test/demo-server!) (:reload-fn |http.test/reload!)
+      :modules $ []
   :files $ {}
     |http.core $ {}
       :ns $ quote
diff --git a/src/lib.rs b/src/lib.rs
index 73aa67a..a423aee 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -16,7 +16,7 @@ struct ResponseSkeleton {
 
 #[no_mangle]
 pub fn abi_version() -> String {
-  String::from("0.0.5")
+  String::from("0.0.6")
 }
 
 #[no_mangle]
@@ -47,20 +47,14 @@ pub fn serve_http(
     let mut headers: HashMap<Edn, Edn> = HashMap::new();
 
     for pair in request.headers() {
-      headers.insert(
-        Edn::kwd(&pair.field.to_string()),
-        Edn::str(pair.value.to_string()),
-      );
+      headers.insert(Edn::kwd(&pair.field.to_string()), Edn::str(pair.value.to_string()));
     }
     m.insert(Edn::kwd("headers"), Edn::Map(headers));
 
     if request.method() != &Method::Get {
       let mut content = String::new();
       request.as_reader().read_to_string(&mut content).unwrap();
-      m.insert(
-        Edn::kwd("body"),
-        Edn::Str(content.to_string().into_boxed_str()),
-      );
+      m.insert(Edn::kwd("body"), Edn::Str(content.to_string().into_boxed_str()));
     }
 
     let info = Edn::Map(m);
@@ -70,11 +64,7 @@ pub fn serve_http(
     let mut response = Response::from_string(res.body.to_string()).with_status_code(res.code);
 
     for (field, value) in res.headers {
-      response.add_header(
-        format!("{}: {}", field, value)
-          .parse::<tiny_http::Header>()
-          .unwrap(),
-      );
+      response.add_header(format!("{}: {}", field, value).parse::<tiny_http::Header>().unwrap());
     }
     request.respond(response).map_err(|x| x.to_string())?;
   }