diff --git a/reading-platform-frontend/src/components/course-edit/Step1BasicInfo.vue b/reading-platform-frontend/src/components/course-edit/Step1BasicInfo.vue
index 5747c00..345cac2 100644
--- a/reading-platform-frontend/src/components/course-edit/Step1BasicInfo.vue
+++ b/reading-platform-frontend/src/components/course-edit/Step1BasicInfo.vue
@@ -74,8 +74,10 @@
         <a-select
           v-model:value="formData.domainTags"
           mode="multiple"
+          show-search
           placeholder="请选择核心发展目标（可多选）"
           style="width: 100%"
+          :filter-option="filterDomainTagOption"
           @change="handleChange"
         >
           <a-select-opt-group label="健康">
@@ -156,6 +158,38 @@ const themesLoading = ref(false);
 const themes = ref<Theme[]>([]);
 const coverImages = ref<any[]>([]);
 
+/** 核心发展目标：叶子项 + 父级领域名，用于搜索时同时匹配子项与分组 */
+const DOMAIN_TAG_OPTIONS: { group: string; value: string; label: string }[] = [
+  { group: '健康', value: 'health_motor', label: '身体动作发展' },
+  { group: '健康', value: 'health_hygiene', label: '生活习惯与能力' },
+  { group: '语言', value: 'lang_listen', label: '倾听与表达' },
+  { group: '语言', value: 'lang_read', label: '早期阅读' },
+  { group: '社会', value: 'social_interact', label: '人际交往' },
+  { group: '社会', value: 'social_adapt', label: '社会适应' },
+  { group: '科学', value: 'science_explore', label: '科学探究' },
+  { group: '科学', value: 'math_cog', label: '数学认知' },
+  { group: '艺术', value: 'art_music', label: '音乐表现' },
+  { group: '艺术', value: 'art_create', label: '美术创作' },
+];
+
+const filterDomainTagOption = (input: string, option: any) => {
+  if (!input?.trim()) return true;
+  const q = input.trim();
+  const key = option?.value ?? option?.key;
+  const row = DOMAIN_TAG_OPTIONS.find((o) => o.value === key);
+  if (row) {
+    return row.label.includes(q) || row.group.includes(q);
+  }
+  const label =
+    typeof option?.label === 'string'
+      ? option.label
+      : option?.children?.[0]?.children ?? option?.children;
+  if (typeof label === 'string') {
+    return label.includes(q);
+  }
+  return true;
+};
+
 const formRules = {
   name: [
     { required: true, message: '请输入课程包名称' },
diff --git a/reading-platform-frontend/src/views/admin/courses/components/Step1BasicInfo.vue b/reading-platform-frontend/src/views/admin/courses/components/Step1BasicInfo.vue
index b087f7e..4ba0ace 100644
--- a/reading-platform-frontend/src/views/admin/courses/components/Step1BasicInfo.vue
+++ b/reading-platform-frontend/src/views/admin/courses/components/Step1BasicInfo.vue
@@ -71,8 +71,10 @@
         <a-select
           v-model:value="formData.domainTags"
           mode="multiple"
+          show-search
           placeholder="请选择核心发展目标（可多选）"
           style="width: 100%"
+          :filter-option="filterDomainTagOption"
           @change="handleChange"
         >
           <a-select-opt-group label="健康">
@@ -152,6 +154,37 @@ const themesLoading = ref(false);
 const themes = ref<Theme[]>([]);
 const coverImages = ref<any[]>([]);
 
+const DOMAIN_TAG_OPTIONS: { group: string; value: string; label: string }[] = [
+  { group: '健康', value: 'health_motor', label: '身体动作发展' },
+  { group: '健康', value: 'health_hygiene', label: '生活习惯与能力' },
+  { group: '语言', value: 'lang_listen', label: '倾听与表达' },
+  { group: '语言', value: 'lang_read', label: '早期阅读' },
+  { group: '社会', value: 'social_interact', label: '人际交往' },
+  { group: '社会', value: 'social_adapt', label: '社会适应' },
+  { group: '科学', value: 'science_explore', label: '科学探究' },
+  { group: '科学', value: 'math_cog', label: '数学认知' },
+  { group: '艺术', value: 'art_music', label: '音乐表现' },
+  { group: '艺术', value: 'art_create', label: '美术创作' },
+];
+
+const filterDomainTagOption = (input: string, option: any) => {
+  if (!input?.trim()) return true;
+  const q = input.trim();
+  const key = option?.value ?? option?.key;
+  const row = DOMAIN_TAG_OPTIONS.find((o) => o.value === key);
+  if (row) {
+    return row.label.includes(q) || row.group.includes(q);
+  }
+  const label =
+    typeof option?.label === 'string'
+      ? option.label
+      : option?.children?.[0]?.children ?? option?.children;
+  if (typeof label === 'string') {
+    return label.includes(q);
+  }
+  return true;
+};
+
 const formData = reactive<BasicInfoData>({
   name: '',
   themeId: undefined,