diff --git a/src/containers/flight/ControlApprovalsContainer.js b/src/containers/flight/ControlApprovalsContainer.js
index 459b81e6..2047d340 100644
--- a/src/containers/flight/ControlApprovalsContainer.js
+++ b/src/containers/flight/ControlApprovalsContainer.js
@@ -145,6 +145,7 @@ export default function ControlApprovalsContainer({ mode }) {
             return;
           case 'closedSync':
             popupRef.current.close();
+            popupRef.current = null;
             // localStorage.removeItem('popupState');
             return;
           default:
@@ -173,6 +174,7 @@ export default function ControlApprovalsContainer({ mode }) {
 
           if (popupX >= parentX && popupX <= parentX + parentWidth) {
             popup.close();
+            popupRef.current = null;
             setIsPopup(false);
             clearInterval(timer);
           }
@@ -193,6 +195,7 @@ export default function ControlApprovalsContainer({ mode }) {
 
       if (popupRef.current) {
         popupRef.current.close();
+        popupRef.current = null;
       }
     };
 
@@ -281,7 +284,7 @@ export default function ControlApprovalsContainer({ mode }) {
     }
     // );
     setFilter(search);
-    if (popup) {
+    if (isPopup) {
       popupRef.current.postMessage({
         type: 'handlerSearchRs',
         payload: { search }
diff --git a/src/containers/flight/OperationApprovalsContainer.js b/src/containers/flight/OperationApprovalsContainer.js
index 0574427d..fa92f138 100644
--- a/src/containers/flight/OperationApprovalsContainer.js
+++ b/src/containers/flight/OperationApprovalsContainer.js
@@ -328,7 +328,7 @@ export default function OperationApprovalsContainer({ mode }) {
     }
     // );
     setFilter(search);
-    if (popup) {
+    if (isPopup) {
       popupRef.current.postMessage({
         type: 'handlerSearchRs',
         payload: { search }
diff --git a/src/containers/rightMenuContainer.js b/src/containers/rightMenuContainer.js
index d802469b..a42db109 100644
--- a/src/containers/rightMenuContainer.js
+++ b/src/containers/rightMenuContainer.js
@@ -95,7 +95,7 @@ function RightMenuContainer() {
     setEndDate(searchDate.endDate);
     setFilter(search);
     if (
-      search != '' &&
+      search !== '' &&
       (search === '승인' || search === '미승인' || search === '비대상')
     ) {
       dispatch(