diff --git a/platformapi/ebaiapi/im.go b/platformapi/ebaiapi/im.go
index 65a880cb..23c1bd98 100644
--- a/platformapi/ebaiapi/im.go
+++ b/platformapi/ebaiapi/im.go
@@ -7,11 +7,14 @@ import (
 )
 
 const (
-	IMStoreStatusOnLine = "ONLINE"       // 门店im在线状态
-	IMStoreStatusBusy   = "BUSY"         // 忙碌状态
-	IMType              = "IM"           // 业务类型,消息默认IM
-	SubTypeDef          = "SEND_MESSAGE" // 子业务类型，发送消息。默认值：SEND_MESSAGE
-	ReadIMType          = "READ_MESSAGE"
+	IMStoreStatusOnLine = "ONLINE"        // 门店im在线状态
+	IMStoreStatusBusy   = "BUSY"          // 忙碌状态
+	IMType              = "IM"            // 业务类型,消息默认IM
+	IMTypeSendMsg       = "SEND_MESSAGE"  //
+	IMTypeReadMsg       = "READ_MESSAGE"  //
+	IMTypeGetMedia      = "GET_MEDIA_URL" //
+
+	DefaultUrlExpireTime = 86400 //s
 
 	//消息类型
 	ContentTypeNormal = 1 //普通文本信息
@@ -53,6 +56,26 @@ func (a *API) BusinessSendMsg(param *BusinessSendMsgReq) error {
 	return nil
 }
 
+// GetMediaUrl 获取多媒体文件url
+func (a *API) GetMediaUrl(platformShopId, mediaID string) (url string, err error) {
+	result, err := a.AccessAPI("im.get.media.url", map[string]interface{}{
+		"platformShopId": platformShopId,
+		"bizType":        IMType,
+		"subBizType":     IMTypeGetMedia,
+		"payload": map[string]interface{}{
+			"mediaId":       mediaID,
+			"urlExpireTime": DefaultUrlExpireTime,
+		},
+	})
+	if err != nil {
+		return "", err
+	}
+	if result.ErrNo != 0 {
+		return "", errors.New(result.Error)
+	}
+	return result.Data.(map[string]interface{})["url"].(string), nil
+}
+
 // GetStoreIMStatus 获取门店的im状态 1：开启，-1：关闭
 func (a *API) GetStoreIMStatus(platformShopId string) (string, error) {
 	result, err := a.AccessAPI("im.getIMStatus", map[string]interface{}{"platformShopId": platformShopId})
diff --git a/platformapi/ebaiapi/im_test.go b/platformapi/ebaiapi/im_test.go
index ccf22c33..4beb6fe7 100644
--- a/platformapi/ebaiapi/im_test.go
+++ b/platformapi/ebaiapi/im_test.go
@@ -5,6 +5,12 @@ import (
 	"testing"
 )
 
+func TestGetMediaUrl(t *testing.T) {
+	data, err := api.GetMediaUrl("1157916361", "$igHNA-kCpGpwZWcDAQTNBDgFzQlUBtoAI4QBpCErI2gCqszMIMLSLDBJb6QDzwAAAYuJvuhDBM4B-Y3tB88AAAACXUH2dAgACgQLzgAC08U")
+	fmt.Println(err)
+	fmt.Println(data)
+}
+
 func TestGetStoreImStatus(t *testing.T) {
 	data, err := api.GetStoreIMStatus("1157916361")
 	if err != nil {
@@ -22,7 +28,7 @@ func TestSendMsg(t *testing.T) {
 	err := api.BusinessSendMsg(&BusinessSendMsgReq{
 		PlatformShopId: "1157916361",
 		BizType:        IMType,
-		SubBizType:     SubTypeDef,
+		SubBizType:     IMTypeSendMsg,
 		Payload: BusinessMsgPayload{
 			GroupId:     "$2$13205337818$PNM",
 			ReceiverIds: []string{"301157916361", "10154538612", "321921188187760"},