diff --git a/src/components/common/EditDialog.vue b/src/components/common/EditDialog.vue
index 328733b..d02b19c 100644
--- a/src/components/common/EditDialog.vue
+++ b/src/components/common/EditDialog.vue
@@ -13,7 +13,7 @@ const onClose = () => {
 }
 
 const onComfirm = () => {
-  emit('confirm', inputValue.value)
+  emit('confirm', inputValue.value.trim())
 }
 
 watch([() => props.isShow, () => props.defaultInput], ([newIsShow, newDefaultInput]) => {
diff --git a/src/components/contacts/user/ContactsUserItem.vue b/src/components/contacts/user/ContactsUserItem.vue
index 7bdcf84..2ec451e 100644
--- a/src/components/contacts/user/ContactsUserItem.vue
+++ b/src/components/contacts/user/ContactsUserItem.vue
@@ -31,11 +31,11 @@ const onClickEditMark = () => {
 }
 
 const saveMark = () => {
-  if (newMark.value !== props.session.mark) {
+  if (newMark.value.trim() !== props.session.mark) {
     const sessionId = props.session.sessionId
     messageData.updateSession({
       sessionId: sessionId,
-      mark: newMark.value
+      mark: newMark.value.trim()
     })
   }
   markEditing.value = false
diff --git a/src/components/user/UserCard.vue b/src/components/user/UserCard.vue
index a5fba96..75a55cb 100644
--- a/src/components/user/UserCard.vue
+++ b/src/components/user/UserCard.vue
@@ -72,10 +72,10 @@ const onClickEditMark = () => {
 }
 
 const saveMark = () => {
-  if (newMark.value !== mark.value) {
+  if (newMark.value.trim() !== mark.value) {
     messageData.updateSession({
       sessionId: sessionId.value,
-      mark: newMark.value
+      mark: newMark.value.trim()
     })
   }
   markEditing.value = false