lib/view/pages/talk/chatView.dart

@@ -108,11 +108,7 @@ class _ChatViewState extends State<ChatView> {
               ),
             ),
           ),
-          body: GestureDetector(
+          body: Container(
-            onTap: () {
-              FocusScope.of(context).requestFocus(FocusNode());
-            },
-            child: Container(
             decoration: BoxDecoration(
                 image: DecorationImage(
                     image: const AssetImage('assets/background/chat.png'),
@@ -141,7 +137,6 @@ class _ChatViewState extends State<ChatView> {
               ],
             ),
           ),
-          ),
         );
       },
     );

lib/view/pages/talk/components/chatTextfield.dart

@@ -156,6 +156,9 @@ class _ChatTextfieldState extends State<ChatTextfield> {
                       }
                       setDraft(text);
                     },
+                    onTapOutside: (PointerDownEvent event) {
+                      FocusScope.of(context).requestFocus(FocusNode());
+                    },
                   ),
                 ),
                 const SizedBox(width: 15),