diff --git a/web/src/components/MemoEditor.tsx b/web/src/components/MemoEditor.tsx
index 25075b38..043b21f6 100644
--- a/web/src/components/MemoEditor.tsx
+++ b/web/src/components/MemoEditor.tsx
@@ -396,7 +396,7 @@ const MemoEditor: React.FC = () => {
           />
         </div>
         <div className="btns-container">
-          <button className="action-btn confirm-btn" disabled={!allowSave} onClick={handleSaveBtnClick}>
+          <button className="action-btn confirm-btn" disabled={!allowSave || state.isUploadingResource} onClick={handleSaveBtnClick}>
             {t("editor.save")}
             <img className="icon-img" src="/logo.webp" />
           </button>
diff --git a/web/src/components/MemoList.tsx b/web/src/components/MemoList.tsx
index 76e70de7..1a727fca 100644
--- a/web/src/components/MemoList.tsx
+++ b/web/src/components/MemoList.tsx
@@ -32,7 +32,6 @@ const MemoList = () => {
               shouldShow = checkShouldShowMemoWithFilters(memo, filters);
             }
           }
-
           if (tagQuery) {
             const tagsSet = new Set<string>();
             for (const t of Array.from(memo.content.match(new RegExp(TAG_REG, "g")) ?? [])) {
@@ -63,7 +62,7 @@ const MemoList = () => {
               shouldShow = false;
             }
           }
-          if (textQuery && !memo.content.includes(textQuery)) {
+          if (textQuery && !memo.content.toLowerCase().includes(textQuery.toLowerCase())) {
             shouldShow = false;
           }
 
diff --git a/web/src/helpers/filter.ts b/web/src/helpers/filter.ts
index 667049cd..c0100269 100644
--- a/web/src/helpers/filter.ts
+++ b/web/src/helpers/filter.ts
@@ -142,7 +142,7 @@ export const checkShouldShowMemo = (memo: Memo, filter: Filter) => {
     }
     shouldShow = matched;
   } else if (type === "TEXT") {
-    let contained = memo.content.includes(value);
+    let contained = memo.content.toLowerCase().includes(value.toLowerCase());
     if (operator === "NOT_CONTAIN") {
       contained = !contained;
     }