diff --git a/internal/pkg/utils/content_chunk.go b/internal/pkg/utils/content_chunk.go
index 52b9799..06ce98e 100644
--- a/internal/pkg/utils/content_chunk.go
+++ b/internal/pkg/utils/content_chunk.go
@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"cs-agent/internal/pkg/enums"
 	"strings"
 
 	"golang.org/x/net/html"
@@ -14,9 +15,11 @@ const (
 )
 
 type ContentChunk struct {
-	Type    ContentChunkType //
-	Content string           // text content or image url
-	AssetID string           // image asset id
+	Type       ContentChunkType    //
+	Content    string              // text content or image url
+	AssetID    string              // image asset id
+	Provider   enums.AssetProvider // image provider
+	StorageKey string              // image storage key
 }
 
 func SplitHTMLContentChunks(content string) ([]ContentChunk, error) {
@@ -59,13 +62,17 @@ func SplitHTMLContentChunks(content string) ([]ContentChunk, error) {
 				flushText()
 				src := strings.TrimSpace(findContentChunkHTMLAttr(node, "src"))
 				assetID := strings.TrimSpace(findContentChunkHTMLAttr(node, "data-asset-id"))
+				provider := enums.AssetProvider(strings.TrimSpace(findContentChunkHTMLAttr(node, "data-provider")))
+				storageKey := strings.TrimSpace(findContentChunkHTMLAttr(node, "data-storage-key"))
 				if src == "" && assetID == "" {
 					return
 				}
 				chunks = append(chunks, ContentChunk{
-					Type:    ContentChunkTypeImage,
-					Content: src,
-					AssetID: assetID,
+					Type:       ContentChunkTypeImage,
+					Content:    src,
+					AssetID:    assetID,
+					Provider:   provider,
+					StorageKey: storageKey,
 				})
 				return
 			}
diff --git a/internal/pkg/utils/content_chunk_test.go b/internal/pkg/utils/content_chunk_test.go
index 32a4463..cfd71c0 100644
--- a/internal/pkg/utils/content_chunk_test.go
+++ b/internal/pkg/utils/content_chunk_test.go
@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"cs-agent/internal/pkg/enums"
 	"reflect"
 	"testing"
 )
@@ -55,7 +56,12 @@ func TestSplitHTMLContentChunks(t *testing.T) {
 			name:    "image with asset metadata only",
 			content: `<p><img data-asset-id="asset_1" data-provider="local" data-storage-key="images/a.png" alt="a"></p>`,
 			want: []ContentChunk{
-				{Type: ContentChunkTypeImage, AssetID: "asset_1"},
+				{
+					Type:       ContentChunkTypeImage,
+					AssetID:    "asset_1",
+					Provider:   enums.AssetProviderLocal,
+					StorageKey: "images/a.png",
+				},
 			},
 		},
 		{
diff --git a/internal/services/wxwork_kf_outbound_service.go b/internal/services/wxwork_kf_outbound_service.go
index f084cae..027df5b 100644
--- a/internal/services/wxwork_kf_outbound_service.go
+++ b/internal/services/wxwork_kf_outbound_service.go
@@ -13,6 +13,7 @@ import (
 	"cs-agent/internal/repositories"
 	"cs-agent/internal/wxwork"
 
+	"github.com/mlogclub/simple/common/strs"
 	"github.com/mlogclub/simple/sqls"
 	"github.com/silenceper/wechat/v2/work/kf/sendmsg"
 )
@@ -445,27 +446,24 @@ func (s *wxWorkKFOutboundService) buildHTMLChunks(content string) ([]wxWorkKFOut
 	for _, chunk := range contentChunks {
 		switch chunk.Type {
 		case utils.ContentChunkTypeText:
-			text := strings.TrimSpace(chunk.Content)
-			if text == "" {
-				continue
+			if strs.IsNotBlank(chunk.Content) {
+				chunks = append(chunks, wxWorkKFOutboundChunk{
+					MessageType: enums.IMMessageTypeText,
+					Content:     chunk.Content,
+				})
 			}
-			chunks = append(chunks, wxWorkKFOutboundChunk{
-				MessageType: enums.IMMessageTypeText,
-				Content:     text,
-			})
 		case utils.ContentChunkTypeImage:
-			assetID := strings.TrimSpace(chunk.AssetID)
-			if assetID == "" {
+			if strs.IsBlank(chunk.AssetID) {
 				chunks = append(chunks, wxWorkKFOutboundChunk{
 					MessageType: enums.IMMessageTypeText,
 					Content:     "[图片]",
 				})
-				continue
+			} else {
+				chunks = append(chunks, wxWorkKFOutboundChunk{
+					MessageType: enums.IMMessageTypeImage,
+					AssetID:     chunk.AssetID,
+				})
 			}
-			chunks = append(chunks, wxWorkKFOutboundChunk{
-				MessageType: enums.IMMessageTypeImage,
-				AssetID:     assetID,
-			})
 		}
 	}
 	if len(chunks) == 0 {