diff --git a/README.md b/README.md
index ac474b51..4b51ee10 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ https://godoc.org/github.com/chyroc/lark
 
 ## Support APIs
 
-API Count: 1016, Event Count: 148
+API Count: 1017, Event Count: 148
 
 <details>
   <summary>
@@ -496,6 +496,7 @@ API Count: 1016, Event Count: 148
   - DeleteCoreHRDepartment
   - UpdateCoreHRDepartment
   - GetCoreHRDepartment
+  - BatchGetCoreHRDepartment
   - GetCoreHRDepartmentList
   - BatchGetCoreHRLocation
   - CreateCoreHRLocation
diff --git a/README_CN.md b/README_CN.md
index 7786d305..1341bccb 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -38,7 +38,7 @@ https://godoc.org/github.com/chyroc/lark
 
 ## 支持的接口
 
-API 总数: 1016, 事件总数: 148
+API 总数: 1017, 事件总数: 148
 
 <details>
   <summary>
@@ -496,6 +496,7 @@ API 总数: 1016, 事件总数: 148
   - DeleteCoreHRDepartment
   - UpdateCoreHRDepartment
   - GetCoreHRDepartment
+  - BatchGetCoreHRDepartment
   - GetCoreHRDepartmentList
   - BatchGetCoreHRLocation
   - CreateCoreHRLocation
diff --git a/larkext/docx.go b/larkext/docx.go
index 697571f0..05c21f35 100644
--- a/larkext/docx.go
+++ b/larkext/docx.go
@@ -29,7 +29,7 @@ type Docx struct {
 	typ        string
 }
 
-// NewDoc new Docx client
+// NewDocx new Docx client
 func NewDocx(larkClient *lark.Lark, token string) *Docx {
 	return newDocx(larkClient, token, "")
 }
@@ -54,3 +54,11 @@ func (r *Docx) Move(ctx context.Context, folderToken string) (*Task, error) {
 func (r *Docx) Delete(ctx context.Context) (*Task, error) {
 	return deleteFile(ctx, r.larkClient, r.token, r.typ)
 }
+
+func (r *Docx) RawContent(ctx context.Context) (string, error) {
+	return r.rawContent(ctx)
+}
+
+func (r *Docx) Blocks(ctx context.Context) ([]*lark.DocxBlock, error) {
+	return r.blocks(ctx)
+}
diff --git a/larkext/docx_impl.go b/larkext/docx_impl.go
index 8a1cb639..a34b5b3a 100644
--- a/larkext/docx_impl.go
+++ b/larkext/docx_impl.go
@@ -37,3 +37,38 @@ func (r *Docx) copy(ctx context.Context, folderToken, name string) (*Docx, error
 	}
 	return newDocx(r.larkClient, res.Token, res.URL), nil
 }
+
+func (r *Docx) rawContent(ctx context.Context) (string, error) {
+	resp, _, err := r.larkClient.Drive.GetDocxDocumentRawContent(ctx, &lark.GetDocxDocumentRawContentReq{
+		DocumentID: r.token,
+		Lang:       nil,
+	})
+	if err != nil {
+		return "", err
+	}
+	return resp.Content, nil
+}
+
+func (r *Docx) blocks(ctx context.Context) ([]*lark.DocxBlock, error) {
+	token := ""
+	size := int64(200)
+	blocks := []*lark.DocxBlock{}
+	for {
+		resp, _, err := r.larkClient.Drive.GetDocxBlockListOfDocument(ctx, &lark.GetDocxBlockListOfDocumentReq{
+			DocumentID:         r.token,
+			PageSize:           &size,
+			PageToken:          &token,
+			DocumentRevisionID: nil,
+			UserIDType:         nil,
+		})
+		if err != nil {
+			return nil, err
+		}
+		blocks = append(blocks, resp.Items...)
+		if !resp.HasMore {
+			break
+		}
+		token = resp.PageToken
+	}
+	return blocks, nil
+}
diff --git a/mock.go b/mock.go
index a090f7a7..33a6cd12 100644
--- a/mock.go
+++ b/mock.go
@@ -443,6 +443,7 @@ type Mock struct {
 	mockCoreHRDeleteCoreHRDepartment                           func(ctx context.Context, request *DeleteCoreHRDepartmentReq, options ...MethodOptionFunc) (*DeleteCoreHRDepartmentResp, *Response, error)
 	mockCoreHRUpdateCoreHRDepartment                           func(ctx context.Context, request *UpdateCoreHRDepartmentReq, options ...MethodOptionFunc) (*UpdateCoreHRDepartmentResp, *Response, error)
 	mockCoreHRGetCoreHRDepartment                              func(ctx context.Context, request *GetCoreHRDepartmentReq, options ...MethodOptionFunc) (*GetCoreHRDepartmentResp, *Response, error)
+	mockCoreHRBatchGetCoreHRDepartment                         func(ctx context.Context, request *BatchGetCoreHRDepartmentReq, options ...MethodOptionFunc) (*BatchGetCoreHRDepartmentResp, *Response, error)
 	mockCoreHRGetCoreHRDepartmentList                          func(ctx context.Context, request *GetCoreHRDepartmentListReq, options ...MethodOptionFunc) (*GetCoreHRDepartmentListResp, *Response, error)
 	mockCoreHRBatchGetCoreHRLocation                           func(ctx context.Context, request *BatchGetCoreHRLocationReq, options ...MethodOptionFunc) (*BatchGetCoreHRLocationResp, *Response, error)
 	mockCoreHRCreateCoreHRLocation                             func(ctx context.Context, request *CreateCoreHRLocationReq, options ...MethodOptionFunc) (*CreateCoreHRLocationResp, *Response, error)
diff --git a/test/CoreHR_sample_test.go b/test/CoreHR_sample_test.go
index 229d3c95..2d3cab22 100644
--- a/test/CoreHR_sample_test.go
+++ b/test/CoreHR_sample_test.go
@@ -745,6 +745,18 @@ func Test_CoreHR_Sample_Failed(t *testing.T) {
 			as.Equal(err.Error(), "mock-failed")
 		})
 
+		t.Run("", func(t *testing.T) {
+
+			cli.Mock().MockCoreHRBatchGetCoreHRDepartment(func(ctx context.Context, request *lark.BatchGetCoreHRDepartmentReq, options ...lark.MethodOptionFunc) (*lark.BatchGetCoreHRDepartmentResp, *lark.Response, error) {
+				return nil, nil, fmt.Errorf("mock-failed")
+			})
+			defer cli.Mock().UnMockCoreHRBatchGetCoreHRDepartment()
+
+			_, _, err := moduleCli.BatchGetCoreHRDepartment(ctx, &lark.BatchGetCoreHRDepartmentReq{})
+			as.NotNil(err)
+			as.Equal(err.Error(), "mock-failed")
+		})
+
 		t.Run("", func(t *testing.T) {
 
 			cli.Mock().MockCoreHRGetCoreHRDepartmentList(func(ctx context.Context, request *lark.GetCoreHRDepartmentListReq, options ...lark.MethodOptionFunc) (*lark.GetCoreHRDepartmentListResp, *lark.Response, error) {
@@ -2143,6 +2155,13 @@ func Test_CoreHR_Sample_Failed(t *testing.T) {
 			as.True(lark.GetErrorCode(err) > 0, fmt.Sprintf("need get lark err, but get %s", err))
 		})
 
+		t.Run("", func(t *testing.T) {
+
+			_, _, err := moduleCli.BatchGetCoreHRDepartment(ctx, &lark.BatchGetCoreHRDepartmentReq{})
+			as.NotNil(err)
+			as.True(lark.GetErrorCode(err) > 0, fmt.Sprintf("need get lark err, but get %s", err))
+		})
+
 		t.Run("", func(t *testing.T) {
 
 			_, _, err := moduleCli.GetCoreHRDepartmentList(ctx, &lark.GetCoreHRDepartmentListReq{})
@@ -3218,6 +3237,13 @@ func Test_CoreHR_Sample_Failed(t *testing.T) {
 			as.Equal("fake raw request", err.Error())
 		})
 
+		t.Run("", func(t *testing.T) {
+
+			_, _, err := moduleCli.BatchGetCoreHRDepartment(ctx, &lark.BatchGetCoreHRDepartmentReq{})
+			as.NotNil(err)
+			as.Equal("fake raw request", err.Error())
+		})
+
 		t.Run("", func(t *testing.T) {
 
 			_, _, err := moduleCli.GetCoreHRDepartmentList(ctx, &lark.GetCoreHRDepartmentListReq{})