diff --git a/src/common/UrlTool.js b/src/common/UrlTool.js
index dcdbd8cda..7d740a198 100644
--- a/src/common/UrlTool.js
+++ b/src/common/UrlTool.js
@@ -287,13 +287,13 @@ export function turnbar(str){
 	let s = str;
   if(s && s.length>0){
 		if(s.indexOf("%")>-1){
-			s = s.replaceAll('%','_25');
+			s = s.replace(/%/g,'_25');
 		}
 		if(s.indexOf("#")>-1){
-			s = s.replaceAll('#','%23');
+			s = s.replace(/#/g,'%23');
 		}
 		if(s.indexOf("/")>-1){
-			s = s.replaceAll('/','%2F');
+			s = s.replace(/\//g,'%2F');
 		}
   }
   return s;
@@ -302,13 +302,13 @@ export function returnbar(str){
 	let s = str;
   if(s && s.length>0){
 		if(str.indexOf("_25")>-1){
-			s = s.replaceAll('_25','%');
+			s = s.replace(/_25/g,'%');
 		}
 		if(s.indexOf("%23")>-1){
-			s = s.replaceAll('%23','#');
+			s = s.replace(/%23/g,'#');
 		}
 		if(s.indexOf("%2F")>-1){
-			s = s.replaceAll('%2F','/');
+			s = s.replace(/%2F/g,'/');
 		}
   }
   return s;
diff --git a/src/components/render-html.jsx b/src/components/render-html.jsx
index e241ba2df..b8f37c5c8 100644
--- a/src/components/render-html.jsx
+++ b/src/components/render-html.jsx
@@ -93,7 +93,7 @@ export default ({
       for(var x=0;x<issues.length;x++){
         let item = issues[x];
         let content = item.id ? `<a href="`+`/${owner}/${projectsId}/issues/${item.project_issues_index}`+`">#${item.project_issues_index}:${item.subject}</a>` : `<span>#${item.project_issues_index}(已删除)</span>`;
-        rs = rs.replaceAll(`<a href="`+`/${owner}/${projectsId}/issues/${item.project_issues_index}`+`">#${item.project_issues_index}</a>`,content);
+        rs = rs.replace(new RegExp(`<a href="/${owner}/${projectsId}/issues/${item.project_issues_index}">#${item.project_issues_index}</a>`, 'g'), content);
       }
     }
     
@@ -102,7 +102,9 @@ export default ({
       return renderToString(_unescape(expression) || '', { displayMode: type === 'block', throwOnError: false, output: 'html' })
     })
     rs = dompurify.sanitize(rs.replace(/▁/g, "▁▁▁"))
-    rs = rs.replaceAll('<img ', `<img onerror="javascript:this.src='${ imgError }';"`)
+    rs = rs.replace(/<img\s+/g, function(match) {
+        return match + `onerror="javascript:this.src='${imgError}';" `;
+    });  
     resetMathExpressions()
     return rs
   }, [str,issues]);