diff --git a/store/db/sqlite/memo.go b/store/db/sqlite/memo.go
index c5c65321..3f8e290e 100644
--- a/store/db/sqlite/memo.go
+++ b/store/db/sqlite/memo.go
@@ -113,7 +113,7 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 		if err != nil {
 			return nil, err
 		}
-		where = append(where, condition)
+		where = append(where, fmt.Sprintf("(%s)", condition))
 	}
 	if find.ExcludeComments {
 		where = append(where, "`parent_id` IS NULL")
diff --git a/store/db/sqlite/memo_filter.go b/store/db/sqlite/memo_filter.go
index f77f3475..f4954db2 100644
--- a/store/db/sqlite/memo_filter.go
+++ b/store/db/sqlite/memo_filter.go
@@ -18,21 +18,22 @@ func RestoreExprToSQL(expr *exprv1.Expr) (string, error) {
 	case *exprv1.Expr_CallExpr:
 		switch v.CallExpr.Function {
 		case "_||_", "_&&_":
-			for _, arg := range v.CallExpr.Args {
-				left, err := RestoreExprToSQL(arg)
-				if err != nil {
-					return "", err
-				}
-				right, err := RestoreExprToSQL(arg)
-				if err != nil {
-					return "", err
-				}
-				operator := "AND"
-				if v.CallExpr.Function == "_||_" {
-					operator = "OR"
-				}
-				condition = fmt.Sprintf("(%s %s %s)", left, operator, right)
+			if len(v.CallExpr.Args) != 2 {
+				return "", errors.Errorf("invalid number of arguments for %s", v.CallExpr.Function)
 			}
+			left, err := RestoreExprToSQL(v.CallExpr.Args[0])
+			if err != nil {
+				return "", err
+			}
+			right, err := RestoreExprToSQL(v.CallExpr.Args[1])
+			if err != nil {
+				return "", err
+			}
+			operator := "AND"
+			if v.CallExpr.Function == "_||_" {
+				operator = "OR"
+			}
+			condition = fmt.Sprintf("(%s %s %s)", left, operator, right)
 		case "_==_", "_!=_", "_<_", "_>_", "_<=_", "_>=_":
 			if len(v.CallExpr.Args) != 2 {
 				return "", errors.Errorf("invalid number of arguments for %s", v.CallExpr.Function)
@@ -130,7 +131,7 @@ func RestoreExprToSQL(expr *exprv1.Expr) (string, error) {
 			if err != nil {
 				return "", err
 			}
-			condition = fmt.Sprintf("`memo`.`content` LIKE %s", fmt.Sprintf(`%%"%s"%%`, arg))
+			condition = fmt.Sprintf("`memo`.`content` LIKE %s", fmt.Sprintf(`'%%%s%%'`, arg))
 		case "!_":
 			if len(v.CallExpr.Args) != 1 {
 				return "", errors.Errorf("invalid number of arguments for %s", v.CallExpr.Function)
diff --git a/store/db/sqlite/memo_filter_test.go b/store/db/sqlite/memo_filter_test.go
index 40577210..6cd56635 100644
--- a/store/db/sqlite/memo_filter_test.go
+++ b/store/db/sqlite/memo_filter_test.go
@@ -23,11 +23,11 @@ func TestRestoreExprToSQL(t *testing.T) {
 		},
 		{
 			filter: `tag in ["tag1", "tag2"] || tag in ["tag3", "tag4"]`,
-			want:   "((JSON_EXTRACT(`memo`.`payload`, '$.tags') LIKE '%\"tag3\"%' OR JSON_EXTRACT(`memo`.`payload`, '$.tags') LIKE '%\"tag4\"%') OR (JSON_EXTRACT(`memo`.`payload`, '$.tags') LIKE '%\"tag3\"%' OR JSON_EXTRACT(`memo`.`payload`, '$.tags') LIKE '%\"tag4\"%'))",
+			want:   "((JSON_EXTRACT(`memo`.`payload`, '$.tags') LIKE '%\"tag1\"%' OR JSON_EXTRACT(`memo`.`payload`, '$.tags') LIKE '%\"tag2\"%') OR (JSON_EXTRACT(`memo`.`payload`, '$.tags') LIKE '%\"tag3\"%' OR JSON_EXTRACT(`memo`.`payload`, '$.tags') LIKE '%\"tag4\"%'))",
 		},
 		{
 			filter: `content.contains("memos")`,
-			want:   "`memo`.`content` LIKE %\"memos\"%",
+			want:   "`memo`.`content` LIKE '%memos%'",
 		},
 		{
 			filter: `visibility in ["PUBLIC"]`,
@@ -41,6 +41,10 @@ func TestRestoreExprToSQL(t *testing.T) {
 			filter: `create_time == "2006-01-02T15:04:05+07:00"`,
 			want:   "`memo`.`created_ts` = 1136189045",
 		},
+		{
+			filter: `tag in ['tag1'] || content.contains('hello')`,
+			want:   "(JSON_EXTRACT(`memo`.`payload`, '$.tags') LIKE '%\"tag1\"%' OR `memo`.`content` LIKE '%hello%')",
+		},
 	}
 
 	for _, tt := range tests {