diff --git a/PWFile.py b/PWFile.py
index e1ad021..2ce19e3 100644
--- a/PWFile.py
+++ b/PWFile.py
@@ -174,7 +174,7 @@ class StringImpactExcel:
 
 def set_true_color(object, r_or_rgb_list, g=0, b=0):
     true_color = object.TrueColor
-    if type(r_or_rgb_list) == List or type(r_or_rgb_list)==list:
+    if type(r_or_rgb_list) == List or type(r_or_rgb_list) == list:
         true_color.SetRGB(*r_or_rgb_list)
     else:
         true_color.SetRGB(r_or_rgb_list, g, b)
@@ -254,12 +254,18 @@ class StringImpactPlate:
         forth_reprtv_span = first_tower_info.forth_representive_span
         continouse_sheet.range("B69").value = forth_reprtv_span
         high_temperature_tension = continouse_sheet.range("L69").value
-        forth_tower_info = tower_dict[tower_key_list[draw_tower_index[0] + 1]]
+        forth_tower_info: SEntry = tower_dict[tower_key_list[draw_tower_index[0] + 1]]
+        if forth_tower_info.is_tension_tower:
+            forth_tower_fitting_length = 0
+        else:
+            forth_tower_fitting_length = fitting.fitting_length_dic[
+                forth_tower_info.fitting
+            ]
         gaocha_of_first_tower = (
             (
                 forth_tower_info.tower_height
                 - forth_tower_info.foundation_low
-                - fitting.fitting_length_dic[forth_tower_info.fitting]
+                - forth_tower_fitting_length
             )
             - (first_tower_info.tower_height - first_tower_info.foundation_low)
             + forth_tower_info.altitude_off
@@ -293,12 +299,18 @@ class StringImpactPlate:
         draw_last_tower_key = tower_key_list[draw_tower_index[-1]]
         last_tower_info = tower_dict[draw_last_tower_key]  # 最后一个塔位
         back_reprtv_span = last_tower_info.back_representive_span
-        back_tower_info = tower_dict[tower_key_list[draw_tower_index[-1] - 1]]
+        back_tower_info: SEntry = tower_dict[tower_key_list[draw_tower_index[-1] - 1]]
+        if back_tower_info.is_tension_tower:
+            back_tower_fitting_length = 0
+        else:
+            back_tower_fitting_length = fitting.fitting_length_dic[
+                back_tower_info.fitting
+            ]
         gaocha_of_last_tower = (
             (
                 back_tower_info.tower_height
                 - back_tower_info.foundation_low
-                - fitting.fitting_length_dic[back_tower_info.fitting]
+                - back_tower_fitting_length
             )
             - (last_tower_info.tower_height - last_tower_info.foundation_low)
             - last_tower_info.altitude_off
@@ -397,7 +409,7 @@ class ContinuousPlate:
                     continue
                 if not last_tower_info:
                     last_tower_info = tower_info
-                if draw_count == draw_count_limit:
+                if draw_count == draw_count_limit - 1:
                     # 画代表档距
                     representive_span_text = f"{tower_info.back_representive_span:.0f}"
                     representive_span_text_point = np.array(
@@ -408,7 +420,10 @@ class ContinuousPlate:
                         APoint(*representive_span_text_point.tolist()),
                         3,
                     )
-                    set_true_color(added_representive_span_text,ColorEnume.representive_span_text_color_rgb)
+                    set_true_color(
+                        added_representive_span_text,
+                        ColorEnume.representive_span_text_color_rgb,
+                    )
                 if draw_count > draw_count_limit - 1:
                     break
                 foundation_low = tower_info.foundation_low