diff --git a/src/components/TestTubePreProcess.vue b/src/components/TestTubePreProcess.vue
index ed00288..3c24887 100644
--- a/src/components/TestTubePreProcess.vue
+++ b/src/components/TestTubePreProcess.vue
@@ -104,7 +104,7 @@
           </div>
         </div>
       </a-col>
-      <a-col :span="8" class="p-5">
+      <a-col :span="8" class="p-5 h-full">
         <div class="border rounded p-5 whitespace-pre h-full overflow-y-auto bg-white"
         >{{ message }}</div>
       </a-col>