diff --git a/api/rag/document.proto b/api/rag/document.proto
index ac61436..912d0e0 100644
--- a/api/rag/document.proto
+++ b/api/rag/document.proto
@@ -52,6 +52,7 @@ message ListDocumentBlockResponse {
 message UpdateDocumentBlockRequest {
   int64 id = 1;
   string content = 2;
+  int64 order = 3;
 }
 
 message UpdateDocumentBlockResponse {
diff --git a/ent/migrate/schema.go b/ent/migrate/schema.go
index 156466a..f43b648 100644
--- a/ent/migrate/schema.go
+++ b/ent/migrate/schema.go
@@ -56,9 +56,9 @@ var (
 		PrimaryKey: []*schema.Column{DocumentBlocksColumns[0]},
 		Indexes: []*schema.Index{
 			{
-				Name:    "documentblock_user_id_order",
+				Name:    "documentblock_user_id_order_document_id",
 				Unique:  false,
-				Columns: []*schema.Column{DocumentBlocksColumns[4], DocumentBlocksColumns[2]},
+				Columns: []*schema.Column{DocumentBlocksColumns[4], DocumentBlocksColumns[2], DocumentBlocksColumns[3]},
 			},
 		},
 	}
diff --git a/ent/schema/documentblock.go b/ent/schema/documentblock.go
index 128be9b..804ed2c 100644
--- a/ent/schema/documentblock.go
+++ b/ent/schema/documentblock.go
@@ -37,6 +37,6 @@ func (DocumentBlock) Edges() []ent.Edge {
 
 func (DocumentBlock) Indexes() []ent.Index {
 	return []ent.Index{
-		index.Fields("user_id", "order"),
+		index.Fields("user_id", "order", "document_id"),
 	}
 }
diff --git a/ent/schema/documentblockchunk.go b/ent/schema/documentblockchunk.go
new file mode 100644
index 0000000..a89c48c
--- /dev/null
+++ b/ent/schema/documentblockchunk.go
@@ -0,0 +1,35 @@
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+)
+
+// DocumentBlockChunk holds the schema definition for the DocumentBlockChunk entity.
+type DocumentBlockChunk struct {
+	ent.Schema
+}
+
+// Fields of the DocumentBlockChunk.
+func (DocumentBlockChunk) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("content"),
+		field.Int64("document_block_id"),
+		field.Bool("chunked").Default(false),
+	}
+}
+
+// Edges of the DocumentBlockChunk.
+func (DocumentBlockChunk) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("document_block", DocumentBlock.Type),
+	}
+}
+
+func (DocumentBlockChunk) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("document_block_id", "chunked"),
+	}
+}
diff --git a/internal/logic/document.go b/internal/logic/document.go
index 3a8092b..e98493a 100644
--- a/internal/logic/document.go
+++ b/internal/logic/document.go
@@ -94,11 +94,15 @@ func (d DocumentLogic) ListDocumentBlock(ctx context.Context, documentId int) ([
 		return nil, consts.ErrDocumentNotFound
 	}
 
-	blocks, err := orm.DocumentBlock.Query().Where(
+	blocks := orm.DocumentBlock.Query().Where(
 		documentblock.DocumentID(int64(documentId)),
-	).All(ctx)
+	)
 
-	return blocks, err
+	blocks = blocks.Order(ent.Asc(documentblock.FieldOrder))
+
+	allBlocks, err := blocks.All(ctx)
+
+	return allBlocks, err
 
 }
 
diff --git a/internal/migrations/20240722104713_add_document_id_index_to_document_blocks_table.sql b/internal/migrations/20240722104713_add_document_id_index_to_document_blocks_table.sql
new file mode 100644
index 0000000..908e436
--- /dev/null
+++ b/internal/migrations/20240722104713_add_document_id_index_to_document_blocks_table.sql
@@ -0,0 +1,7 @@
+-- +goose Up
+-- create index "documentblock_user_id_order_document_id" to table: "document_blocks"
+CREATE INDEX "documentblock_user_id_order_document_id" ON "document_blocks" ("user_id", "order", "document_id");
+
+-- +goose Down
+-- reverse: create index "documentblock_user_id_order_document_id" to table: "document_blocks"
+DROP INDEX "documentblock_user_id_order_document_id";
diff --git a/internal/migrations/atlas.sum b/internal/migrations/atlas.sum
index 6c89a44..706a9e2 100644
--- a/internal/migrations/atlas.sum
+++ b/internal/migrations/atlas.sum
@@ -1,3 +1,4 @@
-h1:i8hOFFa2SFOjNMtOo1eFw1/d9UpiSBEi2XMeAacMcEA=
-20240720155522_init.sql h1:EV/WhsF30qL+Q4kf1mhNxGP0KQpbVxMhjzUmG1pOEdQ=
-20240721084724_remove_name_field_from_document_blocks.sql h1:V/+wh2/7HshCdZNTo4xrAVG7WF8HlcRIKa8285zy2K8=
+h1:v4UVmVgqfUE/xwMK5hjP6laAx2UGwfm7KdOmQIOyTOI=
+20240720155522_init.sql h1:CKqDLw2sVT+NMqnmrvwtkmbHwNFJTUbdR5q0OtoxF1k=
+20240721084724_remove_name_field_from_document_blocks.sql h1:IEUdjs3V5UcCd6As9A829u8CvW3g4DS5xKHDDPHKzlI=
+20240722104713_add_document_id_index_to_document_blocks_table.sql h1:Iad/3g4/BLGlbQeB00lUGDVY5KE5BXHeEAFx2gWNjXI=
diff --git a/internal/services/rag/documentService.go b/internal/services/rag/documentService.go
index 799a5b3..a059e8a 100644
--- a/internal/services/rag/documentService.go
+++ b/internal/services/rag/documentService.go
@@ -78,11 +78,30 @@ func (Service) CreateDocumentBlock(ctx context.Context, req *ragApi.CreateDocume
 }
 
 func (Service) ListDocumentBlock(ctx context.Context, req *ragApi.ListDocumentBlockRequest) (*ragApi.ListDocumentBlockResponse, error) {
-	panic("implement me")
+	documentBlocks, err := documentLogic.ListDocumentBlock(ctx, int(req.DocumentId))
+	if err != nil {
+		return nil, err
+	}
+
+	var documentBlockApiResponse ragApi.ListDocumentBlockResponse
+	for _, documentBlock := range documentBlocks {
+		var documentBlockApiResponseItem = ragApi.DocumentBlock{
+			Id:         int64(documentBlock.ID),
+			Content:    documentBlock.Content,
+			DocumentId: documentBlock.DocumentID,
+			CreatedAt:  documentBlock.CreatedAt.String(),
+			UpdatedAt:  documentBlock.UpdatedAt.String(),
+		}
+		documentBlockApiResponse.DocumentBlocks = append(documentBlockApiResponse.DocumentBlocks, &documentBlockApiResponseItem)
+	}
+	return &documentBlockApiResponse, nil
 }
 
 func (Service) UpdateDocumentBlock(ctx context.Context, req *ragApi.UpdateDocumentBlockRequest) (*ragApi.UpdateDocumentBlockResponse, error) {
-	panic("implement me")
+	var updateDB = &models.UpdateDocumentBlock{
+		Order:   req.Order,
+		Content: req.Content,
+	}
 }
 
 func (Service) DeleteDocumentBlock(ctx context.Context, req *ragApi.DeleteDocumentBlockRequest) (*ragApi.DeleteDocumentBlockResponse, error) {
diff --git a/models/document.go b/models/document.go
index 4303099..8e90d28 100644
--- a/models/document.go
+++ b/models/document.go
@@ -4,7 +4,14 @@ package models
 //	CreateDocumentBlock CreateDocumentBlock
 //}
 
-type CreateDocumentBlock struct {
-	Order   int64  `json:"order"`
-	Content string `json:"content"`
-}
+type (
+	CreateDocumentBlock struct {
+		Order   int64  `json:"order"`
+		Content string `json:"content"`
+	}
+
+	UpdateDocumentBlock struct {
+		Order   int64  `json:"order"`
+		Content string `json:"content"`
+	}
+)