diff --git a/Cargo.toml b/Cargo.toml
index 5c677b9..c63dd9c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ doc = false
 [dependencies]
 pyo3 = "0.18"
 
-nacos-sdk = { version = "0.3.2", features = ["default"] }
+nacos-sdk = { version = "0.3.3", features = ["default"] }
 #nacos-sdk = { git = "https://github.com/nacos-group/nacos-sdk-rust.git", features = ["default"] }
 
 tracing-subscriber = { version = "0.3", features = ["default"] }
diff --git a/README.md b/README.md
index d9265ec..1b9af0e 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ pip install nacos-sdk-rust-binding-py
 环境变量 `NACOS_CLIENT_LOGGER_LEVEL=INFO` 可设置日志打印级别，默认 INFO
 - 客户端日志请在目录 `$HOME/logs/nacos/` 查看
 
-环境变量 `NACOS_CLIENT_COMMON_THREAD_CORES=4` 可设置客户端核心线程数，默认是 CPU 数目 num_cpus
+环境变量 `NACOS_CLIENT_COMMON_THREAD_CORES=4` 可设置客户端核心线程数，默认是 CPU 数目 1
 
 环境变量 `ENV_NACOS_CLIENT_NAMING_PUSH_EMPTY_PROTECTION=false` 可关闭 Naming 防推空保护，默认 true