기체 관리 - 조건문 수정

src/containers/basis/group/BasisGroupDetailJoinContainer.js

@@ -48,7 +48,7 @@ export const BasisGroupDetailJoinContainer = props => {
   };
 
   useEffect(() => {
-    if (user?.cstmrSno) {
+    if (params.cstmrSno && user?.cstmrSno) {
       dispatch(
         Actions.GROUP_JOINLIST.request({
           searchParams: { cstmrSno: user?.cstmrSno }