diff --git a/src/components/__tests__/GenerationComposer.test.tsx b/src/components/__tests__/GenerationComposer.test.tsx
index 3247b80d..6b3d14d3 100644
--- a/src/components/__tests__/GenerationComposer.test.tsx
+++ b/src/components/__tests__/GenerationComposer.test.tsx
@@ -1674,6 +1674,59 @@ describe("GenerationComposer", () => {
     ]);
   });
 
+  it("reorders connected image materials by dragging thumbnails", async () => {
+    useWorkflowStore.setState({
+      nodes: [
+        imageNode("img-a", false, { outputImage: "https://static.popi.art/a.jpg" }),
+        imageNode("img-b", false, { outputImage: "https://static.popi.art/b.jpg" }),
+        videoNode("vid-1", true, {
+          inputPrompt: "use @图1 and @图2",
+        }),
+      ],
+      edges: [
+        imageEdge("img-a", "vid-1", 0),
+        imageEdge("img-b", "vid-1", 1),
+      ],
+    });
+    render(<GenerationComposer />);
+
+    const dataTransferStore = new Map<string, string>();
+    const dataTransfer = {
+      effectAllowed: "all",
+      setData: (type: string, value: string) => dataTransferStore.set(type, value),
+      getData: (type: string) => dataTransferStore.get(type) ?? "",
+    };
+    const firstImage = screen.getByLabelText("参考图片 1");
+    const secondImage = screen.getByLabelText("参考图片 2");
+    expect(firstImage.querySelector("img")).toHaveAttribute("draggable", "false");
+    const prompt = screen.getByDisplayValue("use @图1 and @图2") as HTMLTextAreaElement;
+
+    fireEvent.dragStart(secondImage, { dataTransfer });
+    fireEvent.drop(firstImage, { dataTransfer });
+
+    expect(prompt).toHaveValue("use @图2 and @图1");
+    fireEvent.click(screen.getByLabelText(/Generate|生成/));
+
+    await waitFor(() => {
+      expect(useWorkflowStore.getState().regenerateNode).toHaveBeenCalledWith("vid-1");
+    });
+    const data = useWorkflowStore.getState().nodes[2].data as GenerateVideoNodeData;
+    expect(data.parameters?.referenceSubjectList).toEqual([
+      {
+        id: 1,
+        type: "image",
+        url: "https://static.popi.art/b.jpg",
+        name: "图1",
+      },
+      {
+        id: 2,
+        type: "image",
+        url: "https://static.popi.art/a.jpg",
+        name: "图2",
+      },
+    ]);
+  });
+
   it("does not allow first/last frame mode unless exactly two images are connected", async () => {
     useWorkflowStore.setState({
       nodes: [
diff --git a/src/components/composer/GenerationComposer.tsx b/src/components/composer/GenerationComposer.tsx
index c6211e16..860af2bb 100644
--- a/src/components/composer/GenerationComposer.tsx
+++ b/src/components/composer/GenerationComposer.tsx
@@ -787,11 +787,13 @@ function ReferenceMaterialCard({
         <img
           src={material.url}
           alt=""
+          draggable={false}
           className="h-full w-full object-cover transition-transform group-hover:scale-105"
         />
       ) : material.type === "video" ? (
         <video
           src={material.url}
+          draggable={false}
           muted
           playsInline
           preload="metadata"