导出视频合成问题fix-合成

doc/html/src/app/pages/VideoGeneration.tsx

@@ -209,20 +209,20 @@ export function VideoGeneration() {
                     href={assemblyTask!.downloadUrl!}
                     target="_blank"
                     rel="noreferrer"
-                    className="flex items-center gap-1.5 px-3 py-1.5 rounded-lg border border-border text-xs text-foreground hover:bg-muted transition"
+                    className="flex items-center gap-1.5 px-3 py-1.5 rounded-lg bg-green-600 text-white text-xs hover:bg-green-700 transition"
                   >
                     <Download className="w-3.5 h-3.5" />
-                    下载已合成
+                    下载整集
                   </a>
                 )}
                 {assemblyTask?.status !== "running" && assemblyTask?.status !== "pending" && (
                   <button
                     onClick={handleStartAssembly}
                     disabled={startAssembly.isPending || doneShots === 0}
-                    className="flex items-center gap-1.5 px-3 py-1.5 rounded-lg bg-green-600 text-white text-xs hover:bg-green-700 transition disabled:opacity-50"
+                    className="flex items-center gap-1.5 px-3 py-1.5 rounded-lg border border-border text-xs text-foreground hover:bg-muted transition disabled:opacity-50"
                   >
-                    {startAssembly.isPending ? <Loader2 className="w-3.5 h-3.5 animate-spin" /> : <Download className="w-3.5 h-3.5" />}
-                    导出整集
+                    {startAssembly.isPending ? <Loader2 className="w-3.5 h-3.5 animate-spin" /> : <Film className="w-3.5 h-3.5" />}
+                    {hasAssembly ? "重新合成" : "合成整集"}
                   </button>
                 )}
               </div>