diff --git a/Runtime/BubbleLayout/BubbleCollisionConstraint.cs b/Runtime/BubbleLayout/BubbleCollisionConstraint.cs
index fa246f5..674a867 100644
--- a/Runtime/BubbleLayout/BubbleCollisionConstraint.cs
+++ b/Runtime/BubbleLayout/BubbleCollisionConstraint.cs
@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 using UnityEngine;
-using XericLibrary.Runtime.Type.SpatialAlgorithm;
+using XericLibrary.Runtime;
 
 namespace XericUI.BubbleLayout
 {
diff --git a/Runtime/BubbleLayout/BubbleLayoutGroup.cs b/Runtime/BubbleLayout/BubbleLayoutGroup.cs
index 189ae0f..8f8f677 100644
--- a/Runtime/BubbleLayout/BubbleLayoutGroup.cs
+++ b/Runtime/BubbleLayout/BubbleLayoutGroup.cs
@@ -3,8 +3,7 @@ using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.Pool;
 using UnityEngine.UI;
-using XericLibrary.Runtime.Type.SpatialAlgorithm;
-
+using XericLibrary.Runtime;
 #if UNITY_EDITOR
 using System.Diagnostics;
 #endif
diff --git a/Runtime/InfiniteVessel/XericInfiniteVesselBase.cs b/Runtime/InfiniteVessel/XericInfiniteVesselBase.cs
index 932aef1..7fcc93c 100644
--- a/Runtime/InfiniteVessel/XericInfiniteVesselBase.cs
+++ b/Runtime/InfiniteVessel/XericInfiniteVesselBase.cs
@@ -2,6 +2,7 @@ using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.Pool;
+using XericLibrary.Runtime;
 using XericLibrary.Runtime.Type;
 
 namespace XericUI.InfiniteVessel