diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index eb7f549..891d31e 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -9,9 +9,7 @@
   <component name="ChangeListManager">
     <list default="true" id="1ca51ffe-c632-44cc-ab91-89f67bc24dd0" name="Changes" comment="2024-04-20 오후 2:05">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/qwilight-fe/src/assets/language/en.json" beforeDir="false" afterPath="$PROJECT_DIR$/qwilight-fe/src/assets/language/en.json" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/qwilight-fe/src/assets/language/ko.json" beforeDir="false" afterPath="$PROJECT_DIR$/qwilight-fe/src/assets/language/ko.json" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/taehui-fe/src/app/[language]/ppt/page.tsx" beforeDir="false" afterPath="$PROJECT_DIR$/taehui-fe/src/app/[language]/ppt/page.tsx" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/taehui-fe/src/app/www/logic/avatar.ts" beforeDir="false" afterPath="$PROJECT_DIR$/taehui-fe/src/app/www/logic/avatar.ts" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -323,6 +321,7 @@
       <workItem from="1724121330452" duration="2269000" />
       <workItem from="1724132701073" duration="46000" />
       <workItem from="1724132882365" duration="29000" />
+      <workItem from="1724133421252" duration="90000" />
     </task>
     <task id="LOCAL-00001" summary="2024-02-02 오전 11:19">
       <option name="closed" value="true" />
diff --git a/taehui-fe/src/app/www/logic/avatar.ts b/taehui-fe/src/app/www/logic/avatar.ts
index 17cf81c..0d44db9 100644
--- a/taehui-fe/src/app/www/logic/avatar.ts
+++ b/taehui-fe/src/app/www/logic/avatar.ts
@@ -60,6 +60,7 @@
   if (
     !!avatarCipher &&
     !!avatarName &&
+    !avatarName.startsWith("@") &&
     avatarName.length <= 16 &&
     (!fax || /^.+@.+$/.test(fax)) &&
     (await dbModifyAvatar(
@@ -103,6 +104,7 @@
     /[a-zA-Z\d]/.test(avatarID) &&
     !!avatarCipher &&
     !!avatarName &&
+    !avatarName.startsWith("@") &&
     avatarName.length <= 16 &&
     (!fax || /^.+@.+$/.test(fax)) &&
     !(await getAvatar(avatarID)) &&