diff --git a/Cad/FeatureDrivenDrawer.cs b/Cad/FeatureDrivenDrawer.cs
index c6ef9ac..6c254df 100644
--- a/Cad/FeatureDrivenDrawer.cs
+++ b/Cad/FeatureDrivenDrawer.cs
@@ -1830,8 +1830,8 @@ namespace CadParamPluging.Cad
             }
 
             // 1) 文本与尺寸线平行（避免模板把文字强制水平）。
-            TrySetDimProp(dim, "Dimtih", (short)0);
-            TrySetDimProp(dim, "Dimtoh", (short)0);
+            TrySetDimProp(dim, "Dimtih", false);
+            TrySetDimProp(dim, "Dimtoh", false);
 
             // 2) 不抑制尺寸界线（修复半圆图左侧中心线位置“尺寸界线为空”的情况）。
             TrySetDimProp(dim, "Dimse1", false);