diff --git a/public/react/src/modules/courses/boards/BoardsNew.js b/public/react/src/modules/courses/boards/BoardsNew.js
index 303d683ce..6932b96cf 100644
--- a/public/react/src/modules/courses/boards/BoardsNew.js
+++ b/public/react/src/modules/courses/boards/BoardsNew.js
@@ -308,7 +308,7 @@ class BoardsNew extends Component{
               <div className="formBlock" style={{paddingBottom: '0px'}}>
                 <Form.Item
                   label="标题"
-                  className="topicTitle "
+                  className="topicTitle notRequired"
                 >
                   {getFieldDecorator('sticky', {
                     valuePropName: 'checked',
diff --git a/public/react/src/modules/courses/boards/index.js b/public/react/src/modules/courses/boards/index.js
index cc761cd5d..6822d526c 100644
--- a/public/react/src/modules/courses/boards/index.js
+++ b/public/react/src/modules/courses/boards/index.js
@@ -218,6 +218,9 @@ class Boards extends Component{
   }
 
   onPressEnter = (e) => {
+    clearTimeout(this.timeoutHandler)
+    this.timeoutHandler = null;
+    
     this.fetchAll(this.state.searchValue, 1)
   }
   onInputSearchChange = (e) => {
@@ -227,6 +230,7 @@ class Boards extends Component{
 
     if (this.timeoutHandler) {
       clearTimeout(this.timeoutHandler)
+      this.timeoutHandler = null;
     }
     this.timeoutHandler = setTimeout(() => {
       this.fetchAll(this.state.searchValue, 1)
diff --git a/public/react/src/modules/courses/common/formCommon.css b/public/react/src/modules/courses/common/formCommon.css
index c4a14924c..5b30a338c 100644
--- a/public/react/src/modules/courses/common/formCommon.css
+++ b/public/react/src/modules/courses/common/formCommon.css
@@ -18,6 +18,10 @@
 .courseForm .ant-form-item-label {
   margin-left: -10px;
 }
+.courseForm .notRequired .ant-form-item-label {
+  margin-left: 0px;
+}
+
 
 /* 不知道被哪个样式影响，这里需要重置 */
 .courseForm .ant-input:focus {