diff --git a/web/src/pages/app/modules/preview.ts b/web/src/pages/app/modules/preview.ts
index 3ce20f5..411403e 100644
--- a/web/src/pages/app/modules/preview.ts
+++ b/web/src/pages/app/modules/preview.ts
@@ -629,6 +629,10 @@ function bindProcessPlaceholder(operations: PreviewOperation[]) {
   });
 
   document.querySelector<HTMLButtonElement>("#previewPlayBtn")?.addEventListener("click", () => {
+    if (operations.length === 0) {
+      notify("当前模型暂无工艺数据");
+      return;
+    }
     const operation = getSelectedOperation(operations);
     updateStatus(operation);
     if (!operation) {
@@ -639,7 +643,7 @@ function bindProcessPlaceholder(operations: PreviewOperation[]) {
       notifyError(`工艺播放数据解析失败：${operation.parseError}`);
       return;
     }
-    if (!operation.parsedCraftPlayData) {
+    if (!operation.parsedCraftPlayData || operation.parsedCraftPlayData.OPERATION.frames.length === 0) {
       notify("当前工艺暂无播放数据");
       return;
     }
@@ -653,10 +657,14 @@ function bindProcessPlaceholder(operations: PreviewOperation[]) {
 }
 
 function startPreviewPlayback(operation: PreviewOperation) {
-  if (!runtime?.context.modelObject || !operation.parsedCraftPlayData) {
+  if (!runtime?.context.modelObject) {
     notify("模型还未加载完成");
     return;
   }
+  if (!operation.parsedCraftPlayData || operation.parsedCraftPlayData.OPERATION.frames.length === 0) {
+    notify("当前工艺暂无播放数据");
+    return;
+  }
 
   if (previewPlayback.isPlaying && previewPlayback.operation === operation) {
     return;