diff --git a/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java b/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
index eda15fce..1269d255 100644
--- a/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
+++ b/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
@@ -7,6 +7,7 @@ import one.nem.lacerta.model.ListItem;
 import one.nem.lacerta.model.ListItemType;
 
 import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.PublicPath;
 import one.nem.lacerta.model.document.DocumentDetail;
 
 public interface LacertaLibrary {
@@ -22,4 +23,7 @@ public interface LacertaLibrary {
     // Create Folder
     CompletableFuture<String> createFolder(String path, String name);
 
+    // Get Public Path
+    CompletableFuture<PublicPath> getPublicPath(String itemId, ListItemType itemType);
+
 }
diff --git a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
index 46b8dc23..16a9235c 100644
--- a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
+++ b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
@@ -148,16 +148,20 @@ public class LacertaLibraryImpl implements LacertaLibrary {
             if (itemType == ListItemType.ITEM_TYPE_DOCUMENT) {
                 DocumentEntity documentEntity = database.documentDao().findById(itemId);
                 if (documentEntity == null) {
+                    logger.warn("LacertaLibraryImpl", itemId + " is not found.");
                     return null;
                 }
-                return new PublicPath().resolve(documentEntity.publicPath);
+                PublicPath publicPath = recursiveResolve(documentEntity.parentId);
+                publicPath.resolve(documentEntity.title);
+                return publicPath;
             } else if (itemType == ListItemType.ITEM_TYPE_FOLDER) {
                 FolderEntity folderEntity = database.folderDao().findById(itemId);
                 if (folderEntity == null) {
                     return null;
                 }
-                return new PublicPath().resolve(folderEntity.publicPath);
+                return recursiveResolve(folderEntity.id);
             } else {
+                logger.warn("LacertaLibraryImpl", "Unknown ListItemType: " + itemType);
                 return null;
             }
         });