diff --git a/components/exit.py b/components/exit.py
index 9848915..458ba57 100644
--- a/components/exit.py
+++ b/components/exit.py
@@ -6,10 +6,12 @@ from settings import *
 
 class ExitComponent:
 
-    def __init__(self, seq, sub) -> None:
+    def __init__(self, left, seq, sub) -> None:
         self.seq = seq
         self.sub = sub
         self.p_height = 50 * SCALE
+        self.left = left
+        self.top = '左'
         self.name = '出口'
         self.name_size = 20 * SCALE
         self.seq_size = 40 * SCALE
@@ -31,8 +33,13 @@ class ExitComponent:
         rect = DoubleStrokeRectComponent(self.width(), self.p_height, COLOR_GREEN, COLOR_WHITE, 2 * SCALE, 8 * SCALE)
         rect.draw(container, x, y)
 
+        name_y = y + (self.p_height - 2 * self.name_size) / 2 + self.name_size if self.left else y + (self.p_height - self.name_size) / 2
         name = TextAComponent(self.name, COLOR_WHITE, self.name_size)
-        name.draw(container, x + self.inset, y + (self.p_height - self.name_size) / 2)
+        name.draw(container, x + self.inset, name_y)
+
+        if self.left:
+            top = TextAComponent(self.top, COLOR_WHITE, self.name_size)
+            top.draw(container, x + self.inset + (name.width() - top.width()) / 2, y + (self.p_height - 2 * self.name_size) / 2)
 
         container.add(container.ellipse(center=(x + self.inset * 2 + self.rx + self.name_width, y + self.p_height / 2), r=(self.rx, self.ry), fill=COLOR_WHITE))
 
diff --git a/main/main.py b/main/main.py
index cf0316f..3dbc9eb 100644
--- a/main/main.py
+++ b/main/main.py
@@ -44,15 +44,20 @@ obj_type = data.get('type')
 # exit
 if obj_type == 0:
     bottom_name = 'forward'
-elif obj_type == -1:
-    exit()
-elif obj_type == 1:
+else:
     exit_info = data.get('exit')
     exit_seq = exit_info.get('seq') or ''
     exit_sub = exit_info.get('sub') or ''
-    exit_item = ExitComponent(exit_seq, exit_sub)
+    if obj_type == -1:
+        exit_item = ExitComponent(True, exit_seq, exit_sub)
+        bottom_name = 'forward'
+    elif obj_type == -2:
+        exit_item = ExitComponent(True, exit_seq, exit_sub)
+        bottom_name = 'left'
+    elif obj_type == 1:
+        exit_item = ExitComponent(False, exit_seq, exit_sub)
+        bottom_name = 'exit'
     exit_height = exit_item.height()
-    bottom_name = 'exit'
 
 data_file_name = '{}_{}'.format(bottom_name, time.strftime('%Y%m%d%H%M%S'))
 svg_file_path = './output/{}.svg'.format(data_file_name)
@@ -91,6 +96,8 @@ dwg = svgwrite.Drawing(svg_file_path, profile='tiny', width=content_width, heigh
 
 if obj_type == 1:
     exit_item.draw(dwg, content_width - exit_item.width(), 0)
+elif obj_type == -2 or obj_type == -1:
+    exit_item.draw(dwg, 0, 0)
 
 bg_rect = DoubleStrokeRectComponent(width=content_width, height=content_height - exit_height, main_color=COLOR_GREEN, stroke_color=COLOR_WHITE, stroke_width=4 * SCALE, r=16 * SCALE)
 bg_rect.draw(dwg, 0, exit_height)
diff --git a/resources/left.png b/resources/left.png
new file mode 100644
index 0000000..55af886
Binary files /dev/null and b/resources/left.png differ