diff --git a/src/forge/Head/Footer.jsx b/src/forge/Head/Footer.jsx
index 8a69c2ad1..b54c234fe 100644
--- a/src/forge/Head/Footer.jsx
+++ b/src/forge/Head/Footer.jsx
@@ -19,7 +19,7 @@ function Footer(){
 
   return(
     <div>
-      <div style={{height:"483px"}}></div>
+      <div style={{height:"810px"}}></div>
       <div className="newFooter edu-txt-center">
         {value && showhtml(value)}
         {/* <div className="footerInfos">
diff --git a/src/forge/css/index.scss b/src/forge/css/index.scss
index 3c1daf8f1..7f905ef5b 100644
--- a/src/forge/css/index.scss
+++ b/src/forge/css/index.scss
@@ -3,7 +3,6 @@ ul,ol,dl{
 }
 .newMain{
   background-color: #fff;
-  padding-bottom: 810px;
 }
 .color-black{
   color: #333;
diff --git a/src/forge/users/Echart/Cloud.jsx b/src/forge/users/Echart/Cloud.jsx
index 778b30e74..e0d5dcdad 100644
--- a/src/forge/users/Echart/Cloud.jsx
+++ b/src/forge/users/Echart/Cloud.jsx
@@ -13,8 +13,10 @@ function Cloud({data}) {
     var div = new Js2WordCloud(document.getElementById('cloud'))
     let textList= d.categories;
     let cyList=[]
-    for(let i=0;i<textList.length;i++){
-      cyList.push([textList[i],textList.length-i])
+    if(textList && textList.length > 0){
+      for(let i=0;i<textList.length;i++){
+        cyList.push([textList[i],textList.length-i]);
+      }
     }
     div.setOption({
       backgroundColor:'transparent',