diff --git a/server/dao/resource.go b/server/dao/resource.go
index d0601d1..8310a9b 100644
--- a/server/dao/resource.go
+++ b/server/dao/resource.go
@@ -422,7 +422,11 @@ func GetResourcesIdWithTag(tagID uint) ([]uint, error) {
 		return nil, err
 	}
 
-	return tagIds, nil
+	ids := make([]uint, len(result))
+	for i, r := range result {
+		ids[i] = r.ID
+	}
+	return ids, nil
 }
 
 func BatchGetResources(ids []uint) ([]model.Resource, error) {
diff --git a/server/service/resource.go b/server/service/resource.go
index 0f8abe1..95654c8 100644
--- a/server/service/resource.go
+++ b/server/service/resource.go
@@ -325,6 +325,21 @@ func SearchResource(query string, page int) ([]model.ResourceView, int, error) {
 	}
 	resources = append(resources, temp...)
 
+	// remove duplicates
+	temp = make([]uint, 0)
+	for _, id := range resources {
+		found := false
+		for _, id2 := range temp {
+			if id == id2 {
+				found = true
+				break
+			}
+		}
+		if !found {
+			temp = append(temp, id)
+		}
+	}
+
 	if start >= len(resources) {
 		return []model.ResourceView{}, 0, nil
 	}