diff --git a/bilibili/aceid/README.md b/bilibili/aceld/README.md
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diff --git a/bilibili/aceid/array/test1/test.go b/bilibili/aceld/array/test1/test.go
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diff --git a/bilibili/aceid/const/test.go b/bilibili/aceld/const/test.go
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diff --git a/bilibili/aceid/defer/test1/test.go b/bilibili/aceld/defer/test1/test.go
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diff --git a/bilibili/aceid/defer/test2/test.go b/bilibili/aceld/defer/test2/test.go
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diff --git a/bilibili/aceid/defer/test3/test.go b/bilibili/aceld/defer/test3/test.go
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diff --git a/bilibili/aceid/func/test.go b/bilibili/aceld/func/test.go
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diff --git a/bilibili/aceid/hello/hello.go b/bilibili/aceld/hello/hello.go
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diff --git a/bilibili/aceid/init/go.mod b/bilibili/aceld/init/go.mod
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diff --git a/bilibili/aceid/init/lib1/lib1.go b/bilibili/aceld/init/lib1/lib1.go
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diff --git a/bilibili/aceid/init/lib2/lib2.go b/bilibili/aceld/init/lib2/lib2.go
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diff --git a/bilibili/aceid/init/main.go b/bilibili/aceld/init/main.go
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diff --git a/bilibili/aceid/map/test1/test.go b/bilibili/aceld/map/test1/test.go
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diff --git a/bilibili/aceid/pointor/test1/test.go b/bilibili/aceld/pointor/test1/test.go
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diff --git a/bilibili/aceid/pointor/test2/test.go b/bilibili/aceld/pointor/test2/test.go
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diff --git a/bilibili/aceid/slice/test1/test.go b/bilibili/aceld/slice/test1/test.go
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diff --git a/bilibili/aceid/struct/class/test.go b/bilibili/aceld/struct/class/test.go
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diff --git a/bilibili/aceid/struct/inherit/test.go b/bilibili/aceld/struct/inherit/test.go
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diff --git a/bilibili/aceid/struct/interface/test.go b/bilibili/aceld/struct/interface/test.go
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diff --git a/bilibili/aceid/struct/kong/test.go b/bilibili/aceld/struct/kong/test.go
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rename from bilibili/aceid/struct/kong/test.go
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diff --git a/bilibili/aceid/struct/pair1/test.go b/bilibili/aceld/struct/pair1/test.go
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diff --git a/bilibili/aceid/struct/pair2/test.go b/bilibili/aceld/struct/pair2/test.go
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diff --git a/bilibili/aceld/struct/reflect/test.go b/bilibili/aceld/struct/reflect/test.go
new file mode 100644
index 0000000..10bf83d
--- /dev/null
+++ b/bilibili/aceld/struct/reflect/test.go
@@ -0,0 +1,63 @@
+package main
+
+import (
+	"fmt"
+	"reflect"
+)
+
+type User struct {
+	Id   int
+	Name string
+	Age  int
+}
+
+func (this *User) Call() {
+	fmt.Println("user is called...")
+	fmt.Printf("%v\n", this)
+}
+
+func (this User) ThisCall() {
+	fmt.Println("user is called...")
+	fmt.Printf("%v\n", this)
+}
+
+func reflectNum(arg interface{}) {
+	fmt.Println("type: ", reflect.TypeOf(arg))
+	fmt.Println("value: ", reflect.ValueOf(arg))
+}
+
+func main() {
+	var num float64 = 1.2345
+	reflectNum(num)
+
+	user := User{1, "Aceld", 18}
+
+	DoFieldAndMethod(user)
+}
+
+func DoFieldAndMethod(input interface{}) {
+	// 获取input的type
+	inputType := reflect.TypeOf(input)
+	fmt.Println("inputType is: ", inputType.Name())
+
+	// 获取input的value
+	inputValue := reflect.ValueOf(input)
+	fmt.Println("inputValue is: ", inputValue)
+	fmt.Println(inputType.NumMethod())
+
+	// 通过type获取里面的字段
+	// 1. 获取interface的reflect.Type，通过Type得到NumField，进行遍历
+	// 2. 得到每个field，数据类型
+	// 3. 通过field有一个Interface()方法得到对应的value
+	// for i := 0; i < inputType.NumField(); i++ {
+	// 	field := inputType.Field(i)
+	// 	value := inputValue.Field(i).Interface()
+	// 	fmt.Printf("%s: %v = %v\n", field.Name, field.Type, value)
+	// }
+
+	// 通过type获取里面的方法，调用
+	for i := 0; i < inputType.NumMethod(); i++ {
+		m := inputType.Method(i)
+		fmt.Printf("%s: %v\n", m.Name, m.Type)
+	}
+}
diff --git a/bilibili/aceld/struct/reflect2/main.go b/bilibili/aceld/struct/reflect2/main.go
new file mode 100644
index 0000000..35720d6
--- /dev/null
+++ b/bilibili/aceld/struct/reflect2/main.go
@@ -0,0 +1,58 @@
+package main
+
+import (
+	"fmt"
+	"reflect"
+)
+
+type User struct {
+	Name   string
+	Sex    string
+	Age    int
+	secret string
+}
+
+func (this *User) PointerCall() {
+	fmt.Println("*User is called ...")
+	fmt.Printf("%v\n", this)
+}
+
+func (this User) Call() {
+	fmt.Println("User is called ...")
+	fmt.Printf("%v\n", this)
+}
+
+func main() {
+	user := User{"Aaron", "male", 18, "my secrets"}
+	GetFieldsAndMethods(user)
+}
+
+func GetFieldsAndMethods(input interface{}) {
+	inputType := reflect.TypeOf(input)
+	inputValue := reflect.ValueOf(input)
+	fmt.Println("inputType: ", inputType.Name())
+	fmt.Println("inputValue: ", inputValue)
+	numField := inputType.NumField()
+	numMethod := inputType.NumMethod()
+	fmt.Println("numField: ", numField)
+	fmt.Println("numMethod: ", numMethod)
+	// 遍历属性并打印键值
+	for i := 0; i < inputType.NumField(); i++ {
+		field := inputType.Field(i)
+		fmt.Println(field.PkgPath)
+		// PkgPath is the package path that qualifies a lower case (unexported)
+		// field name. It is empty for upper case (exported) field names.
+		// See https://golang.org/ref/spec#Uniqueness_of_identifiers
+		if field.PkgPath == "" {
+			value := inputValue.Field(i).Interface()
+			fmt.Printf("%s: %v = %v\n", field.Name, field.Type, value)
+		} else {
+			fmt.Printf("%s: %v = <unexported>\n", field.Name, field.Type)
+		}
+	}
+	// 遍历方法并打印
+	for i := 0; i < inputType.NumMethod(); i++ {
+		m := inputType.Method(i)
+		fmt.Printf("%s: %v\n", m.Name, m.Type)
+	}
+}
diff --git a/bilibili/aceid/struct/test1/test.go b/bilibili/aceld/struct/test1/test.go
similarity index 100%
rename from bilibili/aceid/struct/test1/test.go
rename to bilibili/aceld/struct/test1/test.go
diff --git a/bilibili/aceid/var/test.go b/bilibili/aceld/var/test.go
similarity index 100%
rename from bilibili/aceid/var/test.go
rename to bilibili/aceld/var/test.go