diff --git a/.memory/worklog.json b/.memory/worklog.json
index 723c2bf..223bb52 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -1,12 +1,5 @@
 {
   "entries": [
-    {
-      "files_changed": 2,
-      "hash": "bd64b94",
-      "message": "auto-save 2026-05-20 20:16 (+1, ~1)",
-      "ts": "2026-05-20T20:16:48+08:00",
-      "type": "commit"
-    },
     {
       "files_changed": 1,
       "hash": "f0f2203",
@@ -3200,6 +3193,13 @@
       "message": "auto-save 2026-05-27 23:01 (~5)",
       "hash": "d7f72f6",
       "files_changed": 5
+    },
+    {
+      "ts": "2026-05-27T23:08:22+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-27 23:08 (~5)",
+      "hash": "538b24a",
+      "files_changed": 5
     }
   ]
 }
diff --git a/web/canvas-app/src/config/models.js b/web/canvas-app/src/config/models.js
index 512dfe9..1a59ea7 100644
--- a/web/canvas-app/src/config/models.js
+++ b/web/canvas-app/src/config/models.js
@@ -190,10 +190,10 @@ export const VIDEO_DURATION_OPTIONS = [
 ]
 
 // Default values | 默认值
-export const DEFAULT_IMAGE_MODEL = 'auto'
+export const DEFAULT_IMAGE_MODEL = 'doubao-seedream-4-5-251128'
 export const DEFAULT_VIDEO_MODEL = 'seedance'
 export const DEFAULT_CHAT_MODEL = 'gpt-4o-mini'
-export const DEFAULT_IMAGE_SIZE = '1024x1536'
+export const DEFAULT_IMAGE_SIZE = '2048x2048'
 export const DEFAULT_VIDEO_RATIO = '720x1280'
 export const DEFAULT_VIDEO_DURATION = 10