diff --git a/learnCode/bindJson_read_test.go b/learnCode/bindJson_read_test.go
new file mode 100644
index 00000000..4ae84213
--- /dev/null
+++ b/learnCode/bindJson_read_test.go
@@ -0,0 +1,52 @@
+package bufio
+
+import (
+	"encoding/json"
+	"io"
+	"strings"
+	"testing"
+)
+
+/**
+为什么BindJSON不能调用第二次，对应的测试用例Uri: /bingJson1
+*/
+
+func TestJSonDeCode(t *testing.T) {
+	// 示例JSON字符串
+	jsonStr := `{"name":"张三","age":30}`
+	// 将字符串转换为io.Reader
+	ioR := strings.NewReader(jsonStr)
+	newDecoder := json.NewDecoder(ioR)
+	obj := new(map[string]interface{})
+	if err := newDecoder.Decode(obj); err != nil {
+		t.Error(err)
+	} else {
+		t.Log(obj)
+		//第二次的调用Decode方法,Json内部使用的是dec.readValue(),碰到具体的
+		if err = newDecoder.Decode(obj); err != nil {
+			t.Error(err) //json_read_test.go:22: EOF 读到了文件的末尾
+		} else {
+			t.Log(obj)
+		}
+	}
+}
+
+func TestIoReadAll(t *testing.T) {
+	// 示例JSON字符串
+	jsonStr := `{"name":"张三","age":30}`
+	// 将字符串转换为io.Reader
+	ioR := strings.NewReader(jsonStr)
+	//这里可以对比一下 io.ReadAll 和 readValue
+	body, err := io.ReadAll(ioR)
+	if err != nil {
+		t.Error(err)
+	} else {
+		t.Log(string(body))
+		body, err = io.ReadAll(ioR)
+		if err != nil {
+			t.Error(err)
+		} else {
+			t.Log(string(body))
+		}
+	}
+}