diff --git a/openapi/iface.go b/openapi/iface.go
index f7a0ce7..ecc21ec 100644
--- a/openapi/iface.go
+++ b/openapi/iface.go
@@ -67,6 +67,7 @@ type MessageAPI interface {
 	Message(ctx context.Context, channelID string, messageID string) (*dto.Message, error)
 	Messages(ctx context.Context, channelID string, pager *dto.MessagesPager) ([]*dto.Message, error)
 	PostMessage(ctx context.Context, channelID string, msg *dto.MessageToCreate) (*dto.Message, error)
+	PostMessageByFormData(ctx context.Context, channelID string, imgData []byte, msg map[string]string) (*dto.Message, error)
 	PatchMessage(ctx context.Context,
 		channelID string, messageID string, msg *dto.MessageToCreate) (*dto.Message, error)
 	RetractMessage(ctx context.Context, channelID, msgID string, options ...RetractMessageOption) error
@@ -157,6 +158,8 @@ type DirectMessageAPI interface {
 	CreateDirectMessage(ctx context.Context, dm *dto.DirectMessageToCreate) (*dto.DirectMessage, error)
 	// PostDirectMessage 在私信频道内发消息
 	PostDirectMessage(ctx context.Context, dm *dto.DirectMessage, msg *dto.MessageToCreate) (*dto.Message, error)
+	// PostDirectMessageByFormData 在私信频道内发图片消息
+	PostDirectMessageByFormData(ctx context.Context, dm *dto.DirectMessage, imgData []byte, msg map[string]string) (*dto.Message, error)
 	// RetractDMMessage 撤回私信频道消息
 	RetractDMMessage(ctx context.Context, guildID, msgID string, options ...RetractMessageOption) error
 	// PostDMSettingGuide 发送私信设置引导, jumpGuildID为设置引导要跳转的频道ID
diff --git a/openapi/v1/direct_message.go b/openapi/v1/direct_message.go
index b16e867..8786957 100644
--- a/openapi/v1/direct_message.go
+++ b/openapi/v1/direct_message.go
@@ -1,7 +1,9 @@
 package v1
 
 import (
+	"bytes"
 	"context"
+	"time"
 
 	"github.com/tencent-connect/botgo/dto"
 	"github.com/tencent-connect/botgo/openapi"
@@ -33,6 +35,21 @@ func (o *openAPI) PostDirectMessage(ctx context.Context,
 	return resp.Result().(*dto.Message), nil
 }
 
+// PostDirectMessage 在私信频道内发图片消息
+func (o *openAPI) PostDirectMessageByFormData(ctx context.Context,
+	dm *dto.DirectMessage, imgData []byte, msg map[string]string) (*dto.Message, error) {
+	resp, err := o.request(ctx).
+		SetResult(dto.Message{}).
+		SetPathParam("guild_id", dm.GuildID).
+		SetFileReader("file_image", time.Now().String(), bytes.NewReader(imgData)).
+		SetFormData(msg).
+		Post(o.getURL(dmsURI))
+	if err != nil {
+		return nil, err
+	}
+	return resp.Result().(*dto.Message), nil
+}
+
 // RetractDMMessage 撤回私信消息
 func (o *openAPI) RetractDMMessage(ctx context.Context,
 	guildID, msgID string, options ...openapi.RetractMessageOption) error {
diff --git a/openapi/v1/message.go b/openapi/v1/message.go
index 76a6d96..4564568 100644
--- a/openapi/v1/message.go
+++ b/openapi/v1/message.go
@@ -1,14 +1,17 @@
 package v1
 
 import (
+	"bytes"
 	"context"
 	"encoding/json"
 	"fmt"
+	"time"
+
+	"github.com/tidwall/gjson"
 
 	"github.com/tencent-connect/botgo/dto"
 	"github.com/tencent-connect/botgo/errs"
 	"github.com/tencent-connect/botgo/openapi"
-	"github.com/tidwall/gjson"
 )
 
 // Message 拉取单条消息
@@ -68,6 +71,21 @@ func (o *openAPI) PostMessage(ctx context.Context, channelID string, msg *dto.Me
 	return resp.Result().(*dto.Message), nil
 }
 
+// PostMessageByFormData 发图片消息
+func (o *openAPI) PostMessageByFormData(ctx context.Context, channelID string, imgData []byte, msg map[string]string) (*dto.Message, error) {
+	resp, err := o.request(ctx).
+		SetResult(dto.Message{}).
+		SetPathParam("channel_id", channelID).
+		SetFileReader("file_image", time.Now().String(), bytes.NewReader(imgData)).
+		SetFormData(msg).
+		Post(o.getURL(messagesURI))
+	if err != nil {
+		return nil, err
+	}
+
+	return resp.Result().(*dto.Message), nil
+}
+
 // PatchMessage 编辑消息
 func (o *openAPI) PatchMessage(ctx context.Context,
 	channelID string, messageID string, msg *dto.MessageToCreate) (*dto.Message, error) {