diff --git a/Cargo.lock b/Cargo.lock
index d838a35b..4b84cc51 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -760,6 +760,7 @@ dependencies = [
  "string_cache",
  "tabled",
  "thiserror",
+ "tracing",
  "wasm-bindgen",
 ]
 
@@ -1018,6 +1019,12 @@ dependencies = [
  "siphasher",
 ]
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
+
 [[package]]
 name = "plotters"
 version = "0.3.4"
@@ -1670,6 +1677,38 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "tracing"
+version = "0.1.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
+dependencies = [
+ "cfg-if",
+ "pin-project-lite",
+ "tracing-attributes",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-attributes"
+version = "0.1.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4017f8f45139870ca7e672686113917c71c7a6e02d4924eda67186083c03081a"
+dependencies = [
+ "proc-macro2 1.0.47",
+ "quote 1.0.21",
+ "syn 1.0.103",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24eb03ba0eab1fd845050058ce5e616558e8f8d8fca633e6b163fe25c797213a"
+dependencies = [
+ "once_cell",
+]
+
 [[package]]
 name = "typenum"
 version = "1.15.0"
diff --git a/crates/loro-core/Cargo.toml b/crates/loro-core/Cargo.toml
index 3c9cda54..ba47a2a6 100644
--- a/crates/loro-core/Cargo.toml
+++ b/crates/loro-core/Cargo.toml
@@ -29,6 +29,7 @@ serde_json = { version = "1.0.87", optional = true }
 arref = "0.1.0"
 serde_columnar = { version = "0.1.0" }
 debug-log = "0.1.4"
+tracing = { version = "0.1.37" }
 
 [dev-dependencies]
 serde_json = "1.0.87"