diff --git a/apps/ai-game-creator-shell/src/features/project-workspace/ResourceReferenceInput.tsx b/apps/ai-game-creator-shell/src/features/project-workspace/ResourceReferenceInput.tsx
index d8354c565..72524200e 100644
--- a/apps/ai-game-creator-shell/src/features/project-workspace/ResourceReferenceInput.tsx
+++ b/apps/ai-game-creator-shell/src/features/project-workspace/ResourceReferenceInput.tsx
@@ -763,6 +763,7 @@ function ResourceReferenceEditor({
     references: initialDraft?.references ?? [],
     content: [],
   });
+  const [draftText, setDraftText] = useState(initialDraft?.text ?? '');
   const reminderDisabledRef = useRef(reminderDisabled);
   reminderDisabledRef.current = reminderDisabled;
 
@@ -1007,9 +1008,7 @@ function ResourceReferenceEditor({
               aria-label="AI 润色"
               title="AI 润色"
               aria-busy={polishing}
-              disabled={
-                disabled || polishing || liveDraftRef.current.text.trim() === ''
-              }
+              disabled={disabled || polishing || draftText.trim() === ''}
               onMouseDown={(event) => event.preventDefault()}
               onClick={() => void polishPrompt()}
             >
@@ -1215,6 +1214,7 @@ function ResourceReferenceEditor({
         onChange={(editorState) => {
           const nextDraft = readResourceReferenceDraft(editorState);
           liveDraftRef.current = nextDraft;
+          setDraftText(nextDraft.text);
           if (skipInitialDraftChangeRef.current) {
             skipInitialDraftChangeRef.current = false;
             return;