diff --git a/web/src/components/MemoList.tsx b/web/src/components/MemoList.tsx
index 20bb2361..4c283895 100644
--- a/web/src/components/MemoList.tsx
+++ b/web/src/components/MemoList.tsx
@@ -19,23 +19,36 @@ const MemoList: React.FC<Props> = () => {
   const wrapperElement = useRef<HTMLDivElement>(null);
 
   const { tag: tagQuery, duration, type: memoType, text: textQuery, filter: queryId } = query;
-  const showMemoFilter = Boolean(tagQuery || (duration && duration.from < duration.to) || memoType || textQuery);
+  const queryFilter = queryService.getQueryById(queryId);
+  const showMemoFilter = Boolean(tagQuery || (duration && duration.from < duration.to) || memoType || textQuery || queryFilter);
 
   const shownMemos =
-    showMemoFilter || queryId
+    showMemoFilter || queryFilter
       ? memos.filter((memo) => {
           let shouldShow = true;
 
-          const query = queryService.getQueryById(queryId);
-          if (query) {
-            const filters = JSON.parse(query.querystring) as Filter[];
+          if (queryFilter) {
+            const filters = JSON.parse(queryFilter.querystring) as Filter[];
             if (Array.isArray(filters)) {
               shouldShow = checkShouldShowMemoWithFilters(memo, filters);
             }
           }
 
-          if (tagQuery && !memo.content.includes(`#${tagQuery} `) && !memo.content.includes(`# ${tagQuery} `)) {
-            shouldShow = false;
+          if (tagQuery) {
+            const tagsSet = new Set<string>();
+            for (const t of Array.from(memo.content.match(TAG_REG) ?? [])) {
+              const tag = t.replace(TAG_REG, "$1").trim();
+              const items = tag.split("/");
+              let temp = "";
+              for (const i of items) {
+                temp += i;
+                tagsSet.add(temp);
+                temp += "/";
+              }
+            }
+            if (!tagsSet.has(tagQuery)) {
+              shouldShow = false;
+            }
           }
           if (
             duration &&
diff --git a/web/src/components/TagList.tsx b/web/src/components/TagList.tsx
index a5d14c66..62081142 100644
--- a/web/src/components/TagList.tsx
+++ b/web/src/components/TagList.tsx
@@ -100,7 +100,7 @@ const TagItemContainer: React.FC<TagItemContainerProps> = (props: TagItemContain
     if (isActive) {
       locationService.setTagQuery("");
     } else {
-      utils.copyTextToClipboard(`# ${tag.text} `);
+      utils.copyTextToClipboard(`#${tag.text} `);
       if (!["/", "/recycle"].includes(locationService.getState().pathname)) {
         locationService.setPathname("/");
       }
diff --git a/web/src/helpers/filter.ts b/web/src/helpers/filter.ts
index 68d1ca7c..9c6d985c 100644
--- a/web/src/helpers/filter.ts
+++ b/web/src/helpers/filter.ts
@@ -119,7 +119,21 @@ export const checkShouldShowMemo = (memo: Model.Memo, filter: Filter) => {
   let shouldShow = true;
 
   if (type === "TAG") {
-    let contained = memo.content.includes(`#${value} `) || memo.content.includes(`# ${value} `);
+    let contained = true;
+    const tagsSet = new Set<string>();
+    for (const t of Array.from(memo.content.match(TAG_REG) ?? [])) {
+      const tag = t.replace(TAG_REG, "$1").trim();
+      const items = tag.split("/");
+      let temp = "";
+      for (const i of items) {
+        temp += i;
+        tagsSet.add(temp);
+        temp += "/";
+      }
+    }
+    if (!tagsSet.has(value)) {
+      contained = false;
+    }
     if (operator === "NOT_CONTAIN") {
       contained = !contained;
     }
diff --git a/web/src/pages/MemoTrash.tsx b/web/src/pages/MemoTrash.tsx
index c54d6548..43b6e7a7 100644
--- a/web/src/pages/MemoTrash.tsx
+++ b/web/src/pages/MemoTrash.tsx
@@ -37,8 +37,21 @@ const MemoTrash: React.FC<Props> = () => {
             }
           }
 
-          if (tagQuery && !memo.content.includes(`# ${tagQuery}`)) {
-            shouldShow = false;
+          if (tagQuery) {
+            const tagsSet = new Set<string>();
+            for (const t of Array.from(memo.content.match(TAG_REG) ?? [])) {
+              const tag = t.replace(TAG_REG, "$1").trim();
+              const items = tag.split("/");
+              let temp = "";
+              for (const i of items) {
+                temp += i;
+                tagsSet.add(temp);
+                temp += "/";
+              }
+            }
+            if (!tagsSet.has(tagQuery)) {
+              shouldShow = false;
+            }
           }
           if (
             duration &&