diff --git a/Cargo.lock b/Cargo.lock
index 6c0c148..00d04fe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -43,6 +43,15 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
+[[package]]
+name = "ansi_term"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.58"
@@ -664,9 +673,9 @@ dependencies = [
  "homedisk-database",
  "homedisk-server",
  "homedisk-types",
- "log",
- "simplelog",
  "tokio",
+ "tracing",
+ "tracing-subscriber",
 ]
 
 [[package]]
@@ -1309,6 +1318,15 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sharded-slab"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "900fba806f70c630b0a382d0d825e17a0f19fcd059a2ade1ff237bcddf446b31"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "simple_asn1"
 version = "0.6.2"
@@ -1321,17 +1339,6 @@ dependencies = [
  "time 0.3.11",
 ]
 
-[[package]]
-name = "simplelog"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48dfff04aade74dd495b007c831cd6f4e0cee19c344dd9dc0884c0289b70a786"
-dependencies = [
- "log",
- "termcolor",
- "time 0.3.11",
-]
-
 [[package]]
 name = "slab"
 version = "0.4.6"
@@ -1498,15 +1505,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20518fe4a4c9acf048008599e464deb21beeae3d3578418951a189c235a7a9a8"
 
-[[package]]
-name = "termcolor"
-version = "1.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "terminal_size"
 version = "0.1.17"
@@ -1537,6 +1535,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "thread_local"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5516c27b78311c50bf42c071425c560ac799b11c30b31f87e3081965fe5e0180"
+dependencies = [
+ "once_cell",
+]
+
 [[package]]
 name = "time"
 version = "0.1.44"
@@ -1722,16 +1729,54 @@ dependencies = [
  "cfg-if",
  "log",
  "pin-project-lite",
+ "tracing-attributes",
  "tracing-core",
 ]
 
 [[package]]
-name = "tracing-core"
-version = "0.1.27"
+name = "tracing-attributes"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7709595b8878a4965ce5e87ebf880a7d39c9afc6837721b21a5a816a8117d921"
+checksum = "11c75893af559bc8e10716548bdef5cb2b983f8e637db9d0e15126b61b484ee2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b7358be39f2f274f322d2aaed611acc57f382e8eb1e5b48cb9ae30933495ce7"
 dependencies = [
  "once_cell",
+ "valuable",
+]
+
+[[package]]
+name = "tracing-log"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ddad33d2d10b1ed7eb9d1f518a5674713876e97e5bb9b7345a7984fbb4f922"
+dependencies = [
+ "lazy_static",
+ "log",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-subscriber"
+version = "0.3.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a713421342a5a666b7577783721d3117f1b69a393df803ee17bb73b1e122a59"
+dependencies = [
+ "ansi_term",
+ "sharded-slab",
+ "smallvec",
+ "thread_local",
+ "tracing-core",
+ "tracing-log",
 ]
 
 [[package]]
@@ -1822,6 +1867,12 @@ dependencies = [
  "sha1_smol",
 ]
 
+[[package]]
+name = "valuable"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
@@ -1955,15 +2006,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
-[[package]]
-name = "winapi-util"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 10efb7f..6e07df9 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -14,8 +14,8 @@ path = "./src/main.rs"
 [dependencies]
 anyhow = "1.0.58"
 better-panic = "0.3.0"
-simplelog = "0.12.0"
-log = { version = "0.4.17", features = ["max_level_debug", "release_max_level_warn"] }
+tracing-subscriber = "0.3.14"
+tracing = { version = "0.1.35", features = ["max_level_debug", "release_max_level_warn"] }
 tokio = { version = "1.19.2", features = ["rt-multi-thread", "macros"] }
 homedisk-database = { path = "../database" }
 homedisk-server = { path = "../server" }
diff --git a/core/src/logger.rs b/core/src/logger.rs
new file mode 100644
index 0000000..c9408bb
--- /dev/null
+++ b/core/src/logger.rs
@@ -0,0 +1,8 @@
+pub fn init() {
+    // initialize better_panic
+    better_panic::install();
+
+    // initialize tracing
+    tracing_subscriber::fmt()
+        .init();
+}
diff --git a/core/src/main.rs b/core/src/main.rs
index 399b253..5bdd99e 100644
--- a/core/src/main.rs
+++ b/core/src/main.rs
@@ -3,16 +3,16 @@ use std::{fs::File, path::Path};
 use homedisk_database::Database;
 use homedisk_server::serve_http;
 use homedisk_types::config::Config;
-use log::{info, warn};
+use tracing::{info, warn};
+
+mod logger;
 
 pub const DATABASE_FILE: &str = "homedisk.db";
 
 #[tokio::main]
 async fn main() {
-    // init better_panic
-    better_panic::install();
-    // init logger
-    init_logger().expect("init logger");
+    // initialize logger
+    logger::init();
 
     // parse config
     let config = Config::parse().expect("parse config");
@@ -67,24 +67,3 @@ async fn main() {
         .await
         .expect("start http server");
 }
-
-fn init_logger() -> anyhow::Result<()> {
-    use log::LevelFilter;
-    use simplelog::{ColorChoice, CombinedLogger, Config, TermLogger, TerminalMode, WriteLogger};
-
-    CombinedLogger::init(vec![
-        TermLogger::new(
-            LevelFilter::Debug,
-            Config::default(),
-            TerminalMode::Mixed,
-            ColorChoice::Auto,
-        ),
-        WriteLogger::new(
-            LevelFilter::Info,
-            Config::default(),
-            File::create("logs.log")?,
-        ),
-    ])?;
-
-    Ok(())
-}