add DefaultIcon link

 import React from "react";
 import styled from "styled-components";
+import DefaultIcon from "../imgs/defaultProfile.jpg";
 
 const ProfileIconBox = styled.div`
   display: flex;
@@ -16,11 +17,11 @@ const ProfileIcon = styled.img`
 
 export default ({ avatar }) => {
   if (avatar === "") {
-    avatar = "../imgs/defaultProfile.jpg";
+    console.log("avatar link is empty");
   }
   return (
     <ProfileIconBox className="ProfileIconBox">
-      <ProfileIcon src={avatar} />
+      <ProfileIcon src={DefaultIcon} />
     </ProfileIconBox>
   );
 };