diff --git a/public/react/src/common/UnitUtil.js b/public/react/src/common/UnitUtil.js
index bb3267aa4..ea4fb9e96 100644
--- a/public/react/src/common/UnitUtil.js
+++ b/public/react/src/common/UnitUtil.js
@@ -1,6 +1,6 @@
-export function bytesToSize(bytes) {
-   var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
-   if (bytes == 0) return '0 Byte';
-   var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
-   return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i];
+export function bytesToSize(bytes) {
+   var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
+   if (bytes == 0) return '0 Byte';
+   var i = Math.floor(Math.log(bytes) / Math.log(1024));
+   return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i];
 }
\ No newline at end of file
diff --git a/public/react/src/modules/courses/Resource/Fileslistitem.js b/public/react/src/modules/courses/Resource/Fileslistitem.js
index c778e14c7..b52efd3c1 100644
--- a/public/react/src/modules/courses/Resource/Fileslistitem.js
+++ b/public/react/src/modules/courses/Resource/Fileslistitem.js
@@ -233,7 +233,7 @@ class Fileslistitem extends Component{
                                 </Tooltip>
                                 :""
                         }
-											{discussMessage.is_publish===true?<CoursesListType typelist={["未发布"]} typesylename={""}/>:""}
+											{discussMessage.is_publish===false?<CoursesListType typelist={["未发布"]} typesylename={""}/>:""}
                     </h6>
                   <style>
                     {
diff --git a/public/react/src/modules/login/LoginDialog.js b/public/react/src/modules/login/LoginDialog.js
index 82d3406ad..feec80c2d 100644
--- a/public/react/src/modules/login/LoginDialog.js
+++ b/public/react/src/modules/login/LoginDialog.js
@@ -115,6 +115,7 @@ class LoginDialog extends Component {
       let reg = /^(\w-*\.*)+@(\w-?)+(\.\w{2,})+$/;
       let reg1 = /^1\d{10}$/;
       let reg2=/^[a-zA-z]\w{3,14}$/;
+      //      let reg3=/^[a-zA-Z0-9]+([.\-_\\]*[a-zA-Z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+$/;
       let value=this.refs.loginPassText.value;
       let valuenum= value.length;
       if(valuenum>0){
@@ -405,10 +406,10 @@ class LoginDialog extends Component {
                           ref="loginPassText"
                           onInput={this.loginChange}
                           name="username"
-                          placeholder="手机号/邮箱号/用户名" ></input>
+                          placeholder="请输入有效的手机号/邮箱号" ></input>
 
                           <div style={{height: '25px'}}><p className="color-orange edu-txt-left none" id="username_error_notice"
-                            style={{display: regular==0?'none':'block'}}>请输入有效的手机号/邮箱号/用户名</p></div>
+                            style={{display: regular==0?'none':'block'}}>请输入有效的手机号/邮箱号</p></div>
 
                           <div>
                             <input type="password" id="password_loggin_input"