diff --git a/gomore/04_fan_in/README.md b/gomore/04_fan_in/README.md
new file mode 100644
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+++ b/gomore/04_fan_in/README.md
@@ -0,0 +1 @@
+# 淡入模式
diff --git a/gomore/05_fan_out/README.md b/gomore/05_fan_out/README.md
new file mode 100644
index 0000000..7c95948
--- /dev/null
+++ b/gomore/05_fan_out/README.md
@@ -0,0 +1 @@
+# 淡出模式
diff --git a/gomore/07_rate_limiting/README.md b/gomore/07_rate_limiting/README.md
new file mode 100644
index 0000000..ff255e3
--- /dev/null
+++ b/gomore/07_rate_limiting/README.md
@@ -0,0 +1,4 @@
+# 限流模式
+
+就是限制控制突发和访问频率的一种模式
+
diff --git a/gomore/08_semaphore/README.md b/gomore/08_semaphore/README.md
new file mode 100644
index 0000000..8f92db0
--- /dev/null
+++ b/gomore/08_semaphore/README.md
@@ -0,0 +1,3 @@
+# 信号量模式
+
+就是使用信号量进行同步的一种方式，Go里面有种同步方式,信号量是其中一种.