diff --git a/src/main/java/hae/component/board/Datatable.java b/src/main/java/hae/component/board/Datatable.java
index 2626ba5..d36b2a1 100644
--- a/src/main/java/hae/component/board/Datatable.java
+++ b/src/main/java/hae/component/board/Datatable.java
@@ -193,6 +193,8 @@ public String getSelectedDataAtTable(JTable table) {
 
         if (!selectData.isEmpty()) {
             selectData.deleteCharAt(selectData.length() - 1);
+        } else {
+            return "";
         }
 
         return selectData.toString();