diff --git a/Cargo.toml b/Cargo.toml
index 8fd0eaa..caa92dc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "digit-layout"
 description = "This crate provides a unified data type definition across various libraries, efficiently encodes types in a compact layout, thus avoiding the redundancy of enumerating definitions for data types."
-version = "0.2.0-alpha.1"
+version = "0.2.0-alpha.2"
 edition = "2021"
 authors = ["YdrMaster <ydrml@hotmail.com>"]
 repository = "https://github.com/InfiniTensor/digit-layout.git"
diff --git a/src/macros.rs b/src/macros.rs
index 7dec531..d249778 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -15,15 +15,15 @@ macro_rules! layout {
     };
 
     ($name:ident u($bits:expr)) => {
-        layout!($name u($bits); 1);
+        $crate::layout!($name u($bits); 1);
     };
     ($name:ident i($bits:expr)) => {
-        layout!($name e(0)m($bits - 1); 1);
+        $crate::layout!($name e(0)m($bits - 1); 1);
     };
     ($name:ident e($exponent:expr)m($mantissa:expr)) => {
-        layout!($name e($exponent)m($mantissa); 1);
+        $crate::layout!($name e($exponent)m($mantissa); 1);
     };
     ($name:ident; [$group:expr] in $size:expr) => {
-        layout!($name = stringify!($name); [$group] in $size);
+        $crate::layout!($name = stringify!($name); [$group] in $size);
     };
 }