diff --git a/dxf2elmt.log b/dxf2elmt.log
new file mode 100644
index 0000000..e69de29
diff --git a/src/qelmt/arc.rs b/src/qelmt/arc.rs
index 586f795..4cdcba5 100644
--- a/src/qelmt/arc.rs
+++ b/src/qelmt/arc.rs
@@ -124,6 +124,22 @@ impl Arc {
     {
         update_fn(&mut self.style);
     }
+
+     pub fn update_line_weight(&mut self, lw: i16) {
+        let weight_str = match lw {
+            0 | -1 => "thin",
+            13..=25 => "thin",
+            26..=70 => "normal",
+            71..=100 => "thick",
+            _ => "extra-thick",
+        };
+
+        // 直接追加，不做复杂替换（简单有效）
+        if !self.style.is_empty() {
+            self.style.push_str("; ");
+        }
+        self.style.push_str(&format!("line-weight: {}", weight_str));
+    }
 }
 
 impl ScaleEntity for Arc {
diff --git a/src/qelmt/line.rs b/src/qelmt/line.rs
index b632aa5..936a237 100644
--- a/src/qelmt/line.rs
+++ b/src/qelmt/line.rs
@@ -98,6 +98,24 @@ impl Line {
             },
         })
     }
+
+     pub fn update_line_weight(&mut self, lw: i16) {
+        let weight_str = match lw {
+            0 | -1 => "thin",
+            13..=25 => "thin",
+            26..=70 => "normal",
+            71..=100 => "thick",
+            _ => "extra-thick",
+        };
+
+        // 直接追加，不做复杂替换（简单有效）
+        if !self.style.is_empty() {
+            self.style.push_str("; ");
+        }
+        self.style.push_str(&format!("line-weight: {}", weight_str));
+    }
+
+
 }
 
 impl From<&entities::Leader> for Leader {
diff --git a/src/qelmt/mod.rs b/src/qelmt/mod.rs
index 0708d6d..8daf129 100644
--- a/src/qelmt/mod.rs
+++ b/src/qelmt/mod.rs
@@ -611,8 +611,9 @@ impl<'a> ObjectsBuilder<'a> {
 
         // 通用样式修改函数：根据line_type_name修改现有style中的line-style
         let update_line_style = |style: &mut String| {
+            println!("line_type_name:{line_type_name}");
             // 只有当line_type_name需要虚线样式时才进行修改，提高性能
-            if line_type_name.contains("DASH") || line_type_name == "BORDURE" {
+            if line_type_name.contains("DASH") || line_type_name == "BORDURE" || line_type_name == "INTERROMPU" || line_type_name == "INTERROMPUx2" || line_type_name == "TRACECAD_ISO02W100" {
                 // 使用正则表达式替换line-style部分
                 if style.contains("line-style:") {
                     *style = style.replace(
@@ -809,7 +810,6 @@ impl<'a> ObjectsBuilder<'a> {
 
                     // 根据line_type_name更新线型样式
                     line.update_line_style(&update_line_style);
-
                     line.scale(self.scale_fact.x, self.scale_fact.x);
 
                     line.x1 += self.offset.x;
@@ -824,7 +824,7 @@ impl<'a> ObjectsBuilder<'a> {
                     if let Ok(mut ellipse) = Ellipse::try_from(polyline) {
                         // 根据line_type_name更新线型样式
                         ellipse.update_line_style(&update_line_style);
-
+                        // TODO ellipse的粗体未实现
                         ellipse.scale(self.scale_fact.x, self.scale_fact.y);
 
                         ellipse.x += self.offset.x;
@@ -836,7 +836,7 @@ impl<'a> ObjectsBuilder<'a> {
 
                         // 根据line_type_name更新线型样式
                         poly.update_line_style(&update_line_style);
-
+                        // TODO poly的粗体未实现
                         poly.scale(self.scale_fact.x, self.scale_fact.y);
 
                         for cord in &mut poly.coordinates {
@@ -855,6 +855,21 @@ impl<'a> ObjectsBuilder<'a> {
                 } else {
                     HexColor::from_u32(self.ent.common.color_24_bit as u32)
                 };
+                // === 获取weight ===
+                let mut lw: Option<i16> = None;
+                if lwpolyline.constant_width > 0.0 {
+                    lw = Some((lwpolyline.constant_width * 100.0) as i16);
+                } else if let Some(v) = lwpolyline.vertices.get(0) {
+                    let w = if v.starting_width > 0.0 {
+                        v.starting_width
+                    } else {
+                        v.ending_width
+                    };
+                    if w > 0.0 {
+                        lw = Some((w * 100.0) as i16);
+                    }
+                }
+                // ===============================
                 
                 match lwpolyline.vertices.len() {
                     0 | 1 => Err("Error empty LwPolyline"),
@@ -863,6 +878,10 @@ impl<'a> ObjectsBuilder<'a> {
                             match Arc::try_from_lwpolyline_with_color(lwpolyline, color) {
                                 Ok(mut arc) => {
                                     arc.update_line_style(&update_line_style);
+                                     // 更新线条粗细
+                                    if let Some(w) = lw {
+                                        arc.update_line_weight(w);
+                                    }
                                     arc.scale(self.scale_fact.x, self.scale_fact.y);
                                     arc.x += self.offset.x;
                                     arc.y -= self.offset.y;
@@ -878,7 +897,10 @@ impl<'a> ObjectsBuilder<'a> {
 
                         // 根据line_type_name更新线型样式
                         line.update_line_style(&update_line_style);
-
+                        // 更新线条粗细
+                        if let Some(w) = lw {
+                            line.update_line_weight(w);
+                        }
                         line.scale(self.scale_fact.x, self.scale_fact.y);
 
                         line.x1 += self.offset.x;
@@ -893,7 +915,7 @@ impl<'a> ObjectsBuilder<'a> {
                         if let Ok(mut ellipse) = Ellipse::try_from_lwpolyline_with_color(lwpolyline, color) {
                             // 根据line_type_name更新线型样式
                             ellipse.update_line_style(&update_line_style);
-
+                            // TODO ellipse的粗体未实现
                             ellipse.scale(self.scale_fact.x, self.scale_fact.y);
 
                             ellipse.x += self.offset.x;
@@ -928,7 +950,7 @@ impl<'a> ObjectsBuilder<'a> {
 
                                 // 根据line_type_name更新线型样式
                                 poly.update_line_style(&update_line_style);
-
+                                // TODO poly的粗体未实现
                                 poly.scale(self.scale_fact.x, self.scale_fact.y);
 
                                 for cord in &mut poly.coordinates {
@@ -941,6 +963,7 @@ impl<'a> ObjectsBuilder<'a> {
                     }
                 }
             },
+
             EntityType::Solid(solid) => {
                 let mut poly: Polygon = solid.into();
 
diff --git a/src/qelmt/polygon.rs b/src/qelmt/polygon.rs
index 2ececcc..79f1619 100644
--- a/src/qelmt/polygon.rs
+++ b/src/qelmt/polygon.rs
@@ -107,6 +107,24 @@ impl Polygon {
             },
         }
     }
+
+     pub fn update_line_weight(&mut self, lw: i16) {
+        let weight_str = match lw {
+            0 | -1 => "thin",
+            13..=25 => "thin",
+            26..=70 => "normal",
+            71..=100 => "thick",
+            _ => "extra-thick",
+        };
+
+        // 直接追加，不做复杂替换（简单有效）
+        if !self.style.is_empty() {
+            self.style.push_str("; ");
+        }
+        self.style.push_str(&format!("line-weight: {}", weight_str));
+    }
+
+
 }
 
 impl From<(&Spline, u32)> for Polygon {