diff --git a/src/components/Login.vue b/src/components/Login.vue
index d712425..b80c477 100644
--- a/src/components/Login.vue
+++ b/src/components/Login.vue
@@ -50,6 +50,8 @@ const submitForm = async (formEl: FormInstance | undefined) => {
     }
   });
 };
+
+defineExpose({ registerData, loading, submitForm, isNotEmpty });
 </script>
 
 <template>
diff --git a/src/components/MyHead.vue b/src/components/MyHead.vue
index 0aa6f57..2fc9d88 100644
--- a/src/components/MyHead.vue
+++ b/src/components/MyHead.vue
@@ -50,6 +50,8 @@ const handleLogout = async () => {
     await router.push("/login");
   }
 };
+
+defineExpose({ isLoginRoute, showBackButton, pageTitle, handleLogout });
 </script>
 
 <style scoped>
diff --git a/src/components/StartTask.vue b/src/components/StartTask.vue
index c8a1a21..8bcea24 100644
--- a/src/components/StartTask.vue
+++ b/src/components/StartTask.vue
@@ -594,6 +594,17 @@ onUnmounted(() => {
   }
   clear();
 });
+
+defineExpose({
+  taskInfo,
+  timerRunning,
+  timerIsOver,
+  startTimer,
+  stopTimer,
+  endTimer,
+  syncDisplay,
+  clear,
+});
 </script>
 
 <template>
diff --git a/src/components/TaskForm.vue b/src/components/TaskForm.vue
index 825af50..e7341af 100644
--- a/src/components/TaskForm.vue
+++ b/src/components/TaskForm.vue
@@ -288,6 +288,21 @@ async function previewMaterial() {
   results.forEach(({ u, t }) => { titles[u] = t; });
   materialPreview.value = renderMarkdown(raw, titles);
 }
+
+defineExpose({
+  priorityOptions,
+  priority,
+  taskNum,
+  taskName,
+  taskDescription,
+  materialUrl,
+  isUpdateMode,
+  loadTask,
+  createTask,
+  updateTask,
+  submitTask,
+  convertMaterialUrls,
+});
 </script>
 
 <template>