diff --git a/shaders/texture_loading/glsl/point_line.frag b/shaders/texture_loading/glsl/point_line.frag
index 818bbec..1c8908e 100644
--- a/shaders/texture_loading/glsl/point_line.frag
+++ b/shaders/texture_loading/glsl/point_line.frag
@@ -11,7 +11,7 @@ void main() {
     
     // 网格参数
     float gridSize = 14.0;           // 网格大小
-    float dotRadius = 7.0;           // 点状半径
+    float dotRadius = 6.0;           // 点状半径
     
     // 计算当前片段所在的网格和网格中心坐标
     vec2 gridCoord = fragPos / gridSize;
@@ -21,7 +21,7 @@ void main() {
     float distanceToCenter = length(fragPos - gridCenter);
     
     // 如果距离超过点状半径，丢弃（创建点状虚线）
-    if (distanceToCenter > dotRadius) {
+    if (distanceToCenter > dotRadius && fragColor.y > 0.5) {
         discard;
     }
     
diff --git a/shaders/texture_loading/glsl/point_line.frag.spv b/shaders/texture_loading/glsl/point_line.frag.spv
index 01b5ff5..982d99e 100644
Binary files a/shaders/texture_loading/glsl/point_line.frag.spv and b/shaders/texture_loading/glsl/point_line.frag.spv differ