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src/views/StudentView.js

@@ -817,8 +817,7 @@ window.triggerEvolution = async (currentStage, nextStage, likes, classSize, curr
 
     } catch (e) {
         console.error(e);
-        console.error(e);
-        alert("進化失敗...");
+        alert("進化失敗: " + (e.message || "未知錯誤"));
         // Re-render instead of reload to keep state
         const app = document.querySelector('#app');
         if (app) app.innerHTML = await renderStudentView();