diff --git a/plugin/httpgetter/image.go b/plugin/httpgetter/image.go
index 2d6a163..536afea 100644
--- a/plugin/httpgetter/image.go
+++ b/plugin/httpgetter/image.go
@@ -29,7 +29,7 @@ func GetImage(urlStr string) (*Image, error) {
 		return nil, err
 	}
 	if !strings.HasPrefix(mediatype, "image/") {
-		return nil, errors.New("Wrong image mediatype")
+		return nil, errors.New("wrong image mediatype")
 	}
 
 	bodyBytes, err := io.ReadAll(response.Body)
diff --git a/server/common/version.go b/server/common/version.go
index 23c01bb..d8ac471 100644
--- a/server/common/version.go
+++ b/server/common/version.go
@@ -34,7 +34,7 @@ func GetSchemaVersion(version string) string {
 	return minorVersion + ".0"
 }
 
-// IsVersionGreaterThanOrEqualTo returns true if version is greater than or equal to target.
+// IsVersionGreaterOrEqualThan returns true if version is greater than or equal to target.
 func IsVersionGreaterOrEqualThan(version, target string) bool {
 	return semver.Compare(fmt.Sprintf("v%s", version), fmt.Sprintf("v%s", target)) > -1
 }
diff --git a/store/shortcut.go b/store/shortcut.go
index 61049ff..bad4e76 100644
--- a/store/shortcut.go
+++ b/store/shortcut.go
@@ -62,7 +62,9 @@ func (s *Store) ListShortcuts(ctx context.Context, find *FindShortcut) ([]*store
 func (s *Store) GetShortcut(ctx context.Context, find *FindShortcut) (*storepb.Shortcut, error) {
 	if find.ID != nil {
 		if cache, ok := s.shortcutCache.Load(*find.ID); ok {
-			return cache.(*storepb.Shortcut), nil
+			if shortcut, ok := cache.(*storepb.Shortcut); ok {
+				return shortcut, nil
+			}
 		}
 	}
 
diff --git a/store/user.go b/store/user.go
index adc57f7..a5139b7 100644
--- a/store/user.go
+++ b/store/user.go
@@ -85,7 +85,9 @@ func (s *Store) ListUsers(ctx context.Context, find *FindUser) ([]*User, error)
 func (s *Store) GetUser(ctx context.Context, find *FindUser) (*User, error) {
 	if find.ID != nil {
 		if cache, ok := s.userCache.Load(*find.ID); ok {
-			return cache.(*User), nil
+			if user, ok := cache.(*User); ok {
+				return user, nil
+			}
 		}
 	}
 
diff --git a/store/user_setting.go b/store/user_setting.go
index 9c9783a..bb1ad6a 100644
--- a/store/user_setting.go
+++ b/store/user_setting.go
@@ -35,7 +35,9 @@ func (s *Store) ListUserSettings(ctx context.Context, find *FindUserSetting) ([]
 func (s *Store) GetUserSetting(ctx context.Context, find *FindUserSetting) (*storepb.UserSetting, error) {
 	if find.UserID != nil && find.Key != storepb.UserSettingKey_USER_SETTING_KEY_UNSPECIFIED {
 		if cache, ok := s.userSettingCache.Load(getUserSettingCacheKey(*find.UserID, find.Key.String())); ok {
-			return cache.(*storepb.UserSetting), nil
+			if userSetting, ok := cache.(*storepb.UserSetting); ok {
+				return userSetting, nil
+			}
 		}
 	}
 
diff --git a/store/workspace_setting.go b/store/workspace_setting.go
index 9b1249f..98386a5 100644
--- a/store/workspace_setting.go
+++ b/store/workspace_setting.go
@@ -35,7 +35,9 @@ func (s *Store) ListWorkspaceSettings(ctx context.Context, find *FindWorkspaceSe
 func (s *Store) GetWorkspaceSetting(ctx context.Context, find *FindWorkspaceSetting) (*storepb.WorkspaceSetting, error) {
 	if find.Key != storepb.WorkspaceSettingKey_WORKSPACE_SETTING_KEY_UNSPECIFIED {
 		if cache, ok := s.workspaceSettingCache.Load(find.Key); ok {
-			return cache.(*storepb.WorkspaceSetting), nil
+			if workspaceSetting, ok := cache.(*storepb.WorkspaceSetting); ok {
+				return workspaceSetting, nil
+			}
 		}
 	}
 
diff --git a/test/store/collection_test.go b/test/store/collection_test.go
index 7607bcf..9914b27 100644
--- a/test/store/collection_test.go
+++ b/test/store/collection_test.go
@@ -31,15 +31,15 @@ func TestCollectionStore(t *testing.T) {
 	require.Equal(t, 1, len(collections))
 	require.Equal(t, collection, collections[0])
 	newTitle := "My new collection"
-	newShortcutIds := []int32{101, 103}
+	newShortcutIDs := []int32{101, 103}
 	updatedCollection, err := ts.UpdateCollection(ctx, &store.UpdateCollection{
 		ID:          collection.Id,
 		Title:       &newTitle,
-		ShortcutIDs: newShortcutIds,
+		ShortcutIDs: newShortcutIDs,
 	})
 	require.NoError(t, err)
 	require.Equal(t, newTitle, updatedCollection.Title)
-	require.Equal(t, newShortcutIds, updatedCollection.ShortcutIds)
+	require.Equal(t, newShortcutIDs, updatedCollection.ShortcutIds)
 	err = ts.DeleteCollection(ctx, &store.DeleteCollection{
 		ID: collection.Id,
 	})