diff --git a/public/react/src/modules/tpm/NewHeader.js b/public/react/src/modules/tpm/NewHeader.js
index 10a6ec054..f53159c7c 100644
--- a/public/react/src/modules/tpm/NewHeader.js
+++ b/public/react/src/modules/tpm/NewHeader.js
@@ -635,7 +635,7 @@ submittojoinclass=(value)=>{
           <a href="/">
             <img alt="高校智能化教学与实训平台" className="logoimg" src={getImageUrl("images/educoder/headNavLogo.png?1526520218")}></img>
           </a>
-          <div className="head-nav pr" style={{width:'716px'}}>
+          <div className="head-nav pr">
 
             <ul id="header-nav">
               {/*<li className={`${activeIndex === true ? 'active' : ''}`}><a href="/">首页</a></li>*/}
@@ -707,11 +707,11 @@ submittojoinclass=(value)=>{
                   style={{display: 'none'}}
                 >
                   <Search
-                    placeholder="搜索"
+                    placeholder="实践课程/翻转课堂/开发社区/交流问答"
                     // onSearch={value => console.log(value)}
 
                     onPressEnter={this.onKeywordSearchKeyDown}
-                    style={{ width: 258 }}
+                    style={{ width: 295 }}
                   />
                 </div>