diff --git a/src/AsyncQueue/ClosureJob.php b/src/AsyncQueue/ClosureJob.php
index 1640dbf..296fe62 100644
--- a/src/AsyncQueue/ClosureJob.php
+++ b/src/AsyncQueue/ClosureJob.php
@@ -5,7 +5,7 @@
  * This file is part of friendsofhyperf/components.
  *
  * @link     https://github.com/friendsofhyperf/components
- * @document https://github.com/friendsofhyperf/components/blob/3.0/README.md
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
  * @contact  huangdijia@gmail.com
  */
 
diff --git a/src/ConfigProvider.php b/src/ConfigProvider.php
index ae0011a..21c2b20 100644
--- a/src/ConfigProvider.php
+++ b/src/ConfigProvider.php
@@ -5,7 +5,7 @@
  * This file is part of friendsofhyperf/components.
  *
  * @link     https://github.com/friendsofhyperf/components
- * @document https://github.com/friendsofhyperf/components/blob/3.0/README.md
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
  * @contact  huangdijia@gmail.com
  */
 
diff --git a/src/Environment.php b/src/Environment.php
index 6f476a6..8fba03f 100644
--- a/src/Environment.php
+++ b/src/Environment.php
@@ -5,7 +5,7 @@
  * This file is part of friendsofhyperf/components.
  *
  * @link     https://github.com/friendsofhyperf/components
- * @document https://github.com/friendsofhyperf/components/blob/3.0/README.md
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
  * @contact  huangdijia@gmail.com
  */
 
diff --git a/src/Functions.php b/src/Functions.php
index 2cfd9cf..6917a06 100644
--- a/src/Functions.php
+++ b/src/Functions.php
@@ -5,7 +5,7 @@
  * This file is part of friendsofhyperf/components.
  *
  * @link     https://github.com/friendsofhyperf/components
- * @document https://github.com/friendsofhyperf/components/blob/3.0/README.md
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
  * @contact  huangdijia@gmail.com
  */
 
diff --git a/src/Pipeline/Hub.php b/src/Pipeline/Hub.php
index 1de93e9..9e1d3d3 100644
--- a/src/Pipeline/Hub.php
+++ b/src/Pipeline/Hub.php
@@ -5,7 +5,7 @@
  * This file is part of friendsofhyperf/components.
  *
  * @link     https://github.com/friendsofhyperf/components
- * @document https://github.com/friendsofhyperf/components/blob/3.0/README.md
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
  * @contact  huangdijia@gmail.com
  */
 
diff --git a/src/Pipeline/HubInterface.php b/src/Pipeline/HubInterface.php
index 98a92b0..36a8d2d 100644
--- a/src/Pipeline/HubInterface.php
+++ b/src/Pipeline/HubInterface.php
@@ -5,7 +5,7 @@
  * This file is part of friendsofhyperf/components.
  *
  * @link     https://github.com/friendsofhyperf/components
- * @document https://github.com/friendsofhyperf/components/blob/3.0/README.md
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
  * @contact  huangdijia@gmail.com
  */
 
diff --git a/src/Sleep.php b/src/Sleep.php
index 0a1c14a..e89841e 100644
--- a/src/Sleep.php
+++ b/src/Sleep.php
@@ -5,7 +5,7 @@
  * This file is part of friendsofhyperf/components.
  *
  * @link     https://github.com/friendsofhyperf/components
- * @document https://github.com/friendsofhyperf/components/blob/3.0/README.md
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
  * @contact  huangdijia@gmail.com
  */
 
diff --git a/src/Timebox.php b/src/Timebox.php
index cc5823f..c1abdaf 100644
--- a/src/Timebox.php
+++ b/src/Timebox.php
@@ -5,7 +5,7 @@
  * This file is part of friendsofhyperf/components.
  *
  * @link     https://github.com/friendsofhyperf/components
- * @document https://github.com/friendsofhyperf/components/blob/3.0/README.md
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
  * @contact  huangdijia@gmail.com
  */