diff --git a/doc/3.3.1_format_string.md b/doc/3.3.1_format_string.md
new file mode 100644
index 0000000..12fcf93
--- /dev/null
+++ b/doc/3.3.1_format_string.md
@@ -0,0 +1 @@
+# 格式化字符串漏洞
diff --git a/doc/3.3.2_integer_overflow.md b/doc/3.3.2_integer_overflow.md
new file mode 100644
index 0000000..c064962
--- /dev/null
+++ b/doc/3.3.2_integer_overflow.md
@@ -0,0 +1 @@
+# 整数溢出
diff --git a/doc/3.3.3_stack_overflow.md b/doc/3.3.3_stack_overflow.md
new file mode 100644
index 0000000..47d786e
--- /dev/null
+++ b/doc/3.3.3_stack_overflow.md
@@ -0,0 +1 @@
+# 栈溢出
diff --git a/doc/3.3.4_heap_overflow.md b/doc/3.3.4_heap_overflow.md
new file mode 100644
index 0000000..96210f5
--- /dev/null
+++ b/doc/3.3.4_heap_overflow.md
@@ -0,0 +1 @@
+# 堆溢出