diff --git a/src/option/basicdata/TripartiteMaterial.js b/src/option/basicdata/TripartiteMaterial.js
index 23456e7b..c3f9a2d2 100644
--- a/src/option/basicdata/TripartiteMaterial.js
+++ b/src/option/basicdata/TripartiteMaterial.js
@@ -21,7 +21,7 @@ export const columnList = [
     values: '',
     width: '150',
     checkarr: [],
-    fixed: true,
+    fixed: false,
     sortable: true,
     head: false,
   },