diff --git a/lib/constants/api.dart b/lib/constants/api.dart
index e84fca38..a5812abe 100644
--- a/lib/constants/api.dart
+++ b/lib/constants/api.dart
@@ -199,6 +199,9 @@ class _Community {
 
   ///社区话题：查询主题信息详情
   String get getEventDetail => '/user/gambit/GambitThemeDetail';
+
+  ///社区话题：评论
+  String get sendAComment => '/user/gambit/comment';
 }
 
 class _Upload {
diff --git a/lib/ui/community/community_views/widgets/chat_card.dart b/lib/ui/community/community_views/widgets/chat_card.dart
index eb4eb583..d732024d 100644
--- a/lib/ui/community/community_views/widgets/chat_card.dart
+++ b/lib/ui/community/community_views/widgets/chat_card.dart
@@ -1,4 +1,5 @@
 // Flutter imports:
+import 'package:akuCommunity/ui/community/community_views/widgets/send_a_chat.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
@@ -147,7 +148,12 @@ class _ChatCardState extends State<ChatCard> {
                           height: 78.w,
                           materialTapTargetSize:
                               MaterialTapTargetSize.shrinkWrap,
-                          onPressed: () {},
+                          onPressed: () {
+                            SendAChat.send(
+                              parentId: 0,
+                              themeId: widget.model.id,
+                            );
+                          },
                           child: [
                             Icon(CupertinoIcons.bubble_right, size: 30.w),
                             10.wb,
@@ -217,40 +223,13 @@ class _ChatCardState extends State<ChatCard> {
         return InkWell(
           child: buffer.toString().text.make(),
           onTap: () {
-            addComment();
+            SendAChat.send(parentId: e.id, themeId: widget.model.id);
           },
         );
       }).toList(),
     );
   }
 
-  addComment() async {
-    FocusNode node = FocusNode();
-    node.requestFocus();
-    Get.bottomSheet(
-      Row(
-        children: [
-          TextField(
-            focusNode: node,
-            decoration: InputDecoration(
-              border: OutlineInputBorder(),
-              isDense: true,
-            ),
-          ).p(16.w).expand(),
-          16.wb,
-          MaterialButton(
-            color: kPrimaryColor,
-            onPressed: () {},
-            minWidth: 64.w,
-            child: '发送'.text.make(),
-          ),
-          16.wb,
-        ],
-      ).material(color: Colors.white),
-      barrierColor: Colors.transparent,
-    );
-  }
-
   _renderLikeAndComment() {
     return Material(
       borderRadius: BorderRadius.circular(8.w),
diff --git a/lib/ui/community/community_views/widgets/send_a_chat.dart b/lib/ui/community/community_views/widgets/send_a_chat.dart
new file mode 100644
index 00000000..ef3926ff
--- /dev/null
+++ b/lib/ui/community/community_views/widgets/send_a_chat.dart
@@ -0,0 +1,75 @@
+import 'package:akuCommunity/constants/api.dart';
+import 'package:akuCommunity/utils/headers.dart';
+import 'package:akuCommunity/base/base_style.dart';
+import 'package:akuCommunity/utils/network/net_util.dart';
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:velocity_x/velocity_x.dart';
+
+class SendAChat extends StatefulWidget {
+  final FocusNode node;
+  SendAChat({Key key, this.node}) : super(key: key);
+
+  static Future<bool> send({
+    @required int parentId,
+    @required int themeId,
+  }) async {
+    FocusNode node = FocusNode();
+    node.requestFocus();
+    String result = await Get.bottomSheet(
+      SendAChat(node: node),
+      barrierColor: Colors.transparent,
+    );
+    if (result != null) {
+      await NetUtil().post(
+        API.community.sendAComment,
+        params: {
+          'parentId': parentId,
+          'gambitThemeId': themeId,
+          'content': result,
+        },
+        showMessage: true,
+      );
+      return true;
+    }
+    return false;
+  }
+
+  @override
+  _SendAChatState createState() => _SendAChatState();
+}
+
+class _SendAChatState extends State<SendAChat> {
+  TextEditingController _textEditingController = TextEditingController();
+  @override
+  void dispose() {
+    _textEditingController?.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      children: [
+        TextField(
+          focusNode: widget.node,
+          controller: _textEditingController,
+          decoration: InputDecoration(
+            border: OutlineInputBorder(),
+            isDense: true,
+          ),
+        ).p(16.w).expand(),
+        16.wb,
+        MaterialButton(
+          color: kPrimaryColor,
+          onPressed: () {
+            Get.back(result: _textEditingController.text);
+          },
+          minWidth: 64.w,
+          child: '发送'.text.make(),
+        ),
+        16.wb,
+      ],
+    ).material(color: Colors.white);
+  }
+}