diff --git a/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/dialog/ApiCallDialog.kt b/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/dialog/ApiCallDialog.kt
index 6f69f5b3..eb422517 100644
--- a/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/dialog/ApiCallDialog.kt
+++ b/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/dialog/ApiCallDialog.kt
@@ -99,7 +99,9 @@ private class ApiCallPanel : BorderLayoutPanel() {
         searchTextField = JTextField()
 
         // API List Panel
-        apisJList = JBList<Any>()
+        apisJList = JBList<Any>().apply {
+            selectionMode = ListSelectionModel.SINGLE_SELECTION
+        }
         apisListPanel = JScrollPane(apisJList)
 
         // Left Panel for Search and API List