修复面包屑导航链接错误

src/routes/main/header.js

@@ -36,6 +36,18 @@ class HeaderPane extends React.Component {
         dispatch({ type: 'main/switchDomain', payload: keyPath[0] });
       }
     };
+    const joinPath = (paths) => {
+      return (paths || []).map((path) => {
+        let out = path;
+        if (out.startsWith('/')) {
+          out = out.substring(1);
+        }
+        if (out.endsWith('/')) {
+          out = out.substring(0, out.length - 1);
+        }
+        return out;
+      }).join('/');
+    };
     const breadsProps = {
       className: styles.breads,
       routes,
@@ -48,7 +60,7 @@ class HeaderPane extends React.Component {
           return <Icon type="home" />;
         }
         const bread = route.name ? route.name : route.path;
-        return <Link to={`/${paths.join('/')}`}>{ bread }</Link>;
+        return <Link to={`/${joinPath(paths)}`}>{ bread }</Link>;
       },
     };
     const menuProps = {