docs: update RAEDME

Amour1688 · Amour1688 · commit 86c0912bad72 · 2020-12-13T11:48:41.000+08:00
diff --git a/packages/babel-plugin-jsx/README-zh_CN.md b/packages/babel-plugin-jsx/README-zh_CN.md
@@ -258,10 +258,10 @@ const App = {
     return () => (
       <>
         <A>
-          {
+          {{
             default: () => <div>A</div>,
             foo: () => <span>B</span>
-          }
+          }}
         </A>
         <B>{() => 'foo'}</B>
       </>
diff --git a/packages/babel-plugin-jsx/README.md b/packages/babel-plugin-jsx/README.md
@@ -258,10 +258,10 @@ const App = {
     return () => (
       <>
         <A>
-          {
+          {{
             default: () => <div>A</div>,
             foo: () => <span>B</span>
-          }
+          }}
         </A>
         <B>{() => 'foo'}</B>
       </>
