diff --git a/src/views/course/ManageListRemote.vue b/src/views/course/ManageListRemote.vue
index 333f769e..89423519 100644
--- a/src/views/course/ManageListRemote.vue
+++ b/src/views/course/ManageListRemote.vue
@@ -20,6 +20,7 @@
             <div class="teacher-select-wrapper">
               <el-select
                 class="creator-select"
+                ref="teacherSelect"
                 v-model="teacherSelected"
                 multiple
                 filterable
@@ -28,7 +29,6 @@
                 reserve-keyword
                 placeholder="授课教师"
                 :multiple-limit="5"
-                maxlength="50"
                 :remote-method="remoteSearchTeacher"
                 :loading="teacherLoading"
                 @change="handleTeacherChange"
@@ -98,7 +98,8 @@
               placeholder="全部资源归属"
               clearable
               filterable
-              maxlength="200"
+              ref="resOwnerCascader"
+              :filter-method="resOwnerFilterMethod"
               v-model="resOwner"
               :props="defaultProps"
               :options="resOwnerListMap"
@@ -107,6 +108,7 @@
           <el-form-item class="creator-filter">
             <el-select
               class="creator-select"
+              ref="creatorSelect"
               v-model="creatorSelected"
               multiple
               filterable
@@ -115,7 +117,6 @@
               reserve-keyword
               :multiple-limit="5"
               placeholder="创建人"
-              maxlength="50"
               :remote-method="remoteSearchCreator"
               :loading="creatorLoading"
               @change="handleCreatorChange"
@@ -617,7 +618,11 @@ export default {
       this.scrollbarStyleApplied = true;
     },
     async remoteSearchTeacher(keyword) {
-      const query = (keyword || '').trim();
+      const limited = (keyword || '').slice(0, 50);
+      if (this.$refs.teacherSelect && this.$refs.teacherSelect.query !== limited) {
+        this.$refs.teacherSelect.query = limited;
+      }
+      const query = limited.trim();
       if (!query || query.length <= 1) {
         this.teacherOptions = [];
         return;
@@ -661,7 +666,11 @@ export default {
       this.params.teacherId = '';
     },
     async remoteSearchCreator(keyword) {
-      const query = (keyword || '').trim();
+      const limited = (keyword || '').slice(0, 50);
+      if (this.$refs.creatorSelect && this.$refs.creatorSelect.query !== limited) {
+        this.$refs.creatorSelect.query = limited;
+      }
+      const query = limited.trim();
       if (!query || query.length <= 1) {
         this.creatorOptions = [];
         return;
@@ -1093,6 +1102,15 @@ export default {
       if (code == '') { return ''; }
       return this.resOwnerMap.get(code);
     },
+    resOwnerFilterMethod(node, keyword = '') {
+      const limited = keyword.slice(0, 200);
+      if (this.$refs.resOwnerCascader && this.$refs.resOwnerCascader.inputValue !== limited) {
+        this.$refs.resOwnerCascader.inputValue = limited;
+      }
+      if (!limited) return true;
+      const text = node.label || node.text || '';
+      return text.toLowerCase().includes(limited.toLowerCase());
+    },
     sysTypeName(code) {
       if (code == '') { return ''; }
       return this.sysTypeMap.get(code);