diff --git a/public/react/src/common/course/WordsBtn.js b/public/react/src/common/course/WordsBtn.js
index 6828cca99..7fdb08d15 100644
--- a/public/react/src/common/course/WordsBtn.js
+++ b/public/react/src/common/course/WordsBtn.js
@@ -13,14 +13,14 @@ class WordsBtn extends Component {
       <React.Fragment>
         {
           to==undefined&&targets==undefined ?
-          <a href={href || "javascript:void(0)"} onClick={this.props.onClick} className={"btn "+`${map[this.props.style]} ${this.props.className}`}
+          <a href={href || "javascript:void(0)"} onClick={this.props.onClick} className={"btn "+`${map[this.props.style]} ${this.props.className || ""}`}
               style={style2} {...others}
           >{this.props.children}</a>:
 						targets!=undefined? <a href={to} target="_blank" className={"btn "+`${map[this.props.style]} ${this.props.className}`}
               style={style2} {...others}
             >{this.props.children}</a>
           :
-          <Link to={to} className={"btn "+`${map[this.props.style]} ${this.props.className}`}
+          <Link to={to} className={"btn "+`${map[this.props.style]} ${this.props.className || ""}`}
             style={style2} {...others}
           >{this.props.children}</Link>
         }
diff --git a/public/react/src/modules/courses/Video/LiveItem.js b/public/react/src/modules/courses/Video/LiveItem.js
index b71e5b02b..b54b0f03d 100644
--- a/public/react/src/modules/courses/Video/LiveItem.js
+++ b/public/react/src/modules/courses/Video/LiveItem.js
@@ -158,18 +158,18 @@ class LiveItem extends Component{
             { item.live_time && <span className="mr50">开播时间：{item.live_time}</span>}   
             { item.duration && <span className="mr50">直播预计时长：{item.duration}分钟</span> }
           </span>
-              <span>
-                {
-                  item.op_auth ?
-                  <WordsBtn style="grey" onClick={()=>setLiveId(item.id)}>编辑</WordsBtn>:""
-                }
-                {
-                  item.delete_auth ? 
-                  <WordsBtn style="grey" className="ml30" onClick={()=>this.deleteLive(item.id)}>删除</WordsBtn>
-                  :""
-                }
-              </span>
-          </p>
+          <span className="edu-txt-right" style={{width:"80px"}}>
+            {
+              item.op_auth ?
+              <WordsBtn style="grey" onClick={()=>setLiveId(item.id)}>编辑</WordsBtn>:""
+            }
+            {
+              item.delete_auth ? 
+              <WordsBtn style="grey" className="ml30" onClick={()=>this.deleteLive(item.id)}>删除</WordsBtn>
+              :""
+            }
+          </span>
+        </p>
       </div>
     )
   }