logo fix

src/components/layout/ApplicationBar.js

@@ -90,7 +90,11 @@ const ApplicationBar = () => {
         <Toolbar>
           <div className={classes.logo}>
             <a href="/" className={classes.miniLogo}>
-              <img src="/favicon.ico" alt="logo" className={classes.img} />
+              <img
+                src={`${process.env.PUBLIC_URL ?? ""}/favicon.ico`}
+                alt="logo"
+                className={classes.img}
+              />
             </a>
           </div>