todo 页面高度需要计算一下

@@ -80,14 +80,18 @@ class _PoemDetailPageState extends State<PoemDetailPage> {
                       ),
                       ),
                       child: Padding(
                       child: Padding(
                         padding: const EdgeInsets.all(10.0),
                         padding: const EdgeInsets.all(10.0),
-                        child: Column(
+                        child: Flex(
+                          direction: Axis.vertical,
                           children: [
                           children: [
                             const PoemContent(
                             const PoemContent(
                               title: "题破山寺后禅院",
                               title: "题破山寺后禅院",
                               author: "常建",
                               author: "常建",
                               poemStr: poemStr,
                               poemStr: poemStr,
                             ),
                             ),
-                            const PoemUserComments(),
+                            const Expanded(
+                              flex: 1,
+                              child: PoemUserComments(),
+                            ),
                             Container(
                             Container(
                               width: double.infinity,
                               width: double.infinity,
                               alignment: Alignment.center,
                               alignment: Alignment.center,

@@ -12,28 +12,21 @@ class PoemUserComments extends StatelessWidget {
   final String? desc;
   final String? desc;
   @override
   @override
   Widget build(BuildContext context) {
   Widget build(BuildContext context) {
-    return SizedBox(
-      height: 360, //TODO 高度待定
+    return Container(
+      padding: const EdgeInsets.symmetric(vertical: 5.0, horizontal: 10.0),
       width: double.infinity,
       width: double.infinity,
-      child: Flex(
-        direction: Axis.vertical,
-        children: [
-          Container(
-            alignment: Alignment.centerLeft,
-            padding:
-                const EdgeInsets.symmetric(vertical: 5.0, horizontal: 10.0),
-            child: Text(
+      child: Column(
+        children: <Widget>[
+          ListTile(
+            title: Text(
               desc ?? "一大波用户朗读录制提交了“临境”",
               desc ?? "一大波用户朗读录制提交了“临境”",
               style: const TextStyle(color: Colors.white, fontSize: 15.0),
               style: const TextStyle(color: Colors.white, fontSize: 15.0),
             ),
             ),
           ),
           ),
-          Expanded(
-            flex: 1,
-            child: Container(
-              padding:
-                  const EdgeInsets.symmetric(vertical: 5.0, horizontal: 10.0),
+          SizedBox(
             width: double.infinity,
             width: double.infinity,
-              child: ListView.builder(
+            height: 200.0,
+            child:ListView.builder(
                 itemBuilder: (BuildContext context, int index) {
                 itemBuilder: (BuildContext context, int index) {
                   return Wrap(
                   return Wrap(
                     spacing: 5.0,
                     spacing: 5.0,
@@ -52,7 +45,6 @@ class PoemUserComments extends StatelessWidget {
                   );
                   );
                 }),
                 }),
           ),
           ),
-          )
         ],
         ],
       ),
       ),
     );
     );