diff --git a/func/Module_approximately_align.py b/func/Module_approximately_align.py
index 62e8d97..a63268c 100644
--- a/func/Module_approximately_align.py
+++ b/func/Module_approximately_align.py
@@ -958,7 +958,7 @@ class MainWindow_approximately_align(QMainWindow):
             # 绘制间期
             ax4 = self.fig.add_subplot(322)
             ax4.plot(linspace(PSG_SP, PSG_EP, len(diff(tho_peaks).repeat(Config["ApplyFrequency"]))),
-                     diff(tho_peaks).repeat(Config["ApplyFrequency"]), alpha=0.5, label="tho")
+                     diff(tho_peaks).repeat(Config["ApplyFrequency"]), label="tho")
             ax4.plot(linspace(PSG_SP, PSG_EP, len(diff(orgBcg_peaks).repeat(Config["ApplyFrequency"]))),
                      diff(orgBcg_peaks).repeat(Config["ApplyFrequency"]), label="resp")
             ax4.set_title("tho_interval")
@@ -967,18 +967,20 @@ class MainWindow_approximately_align(QMainWindow):
 
             ax5 = self.fig.add_subplot(324)
             ax5.plot(linspace(orgBcg_SP, orgBcg_EP, len(diff(tho_peaks).repeat(Config["ApplyFrequency"]))),
-                     diff(tho_peaks).repeat(Config["ApplyFrequency"]))
+                     diff(tho_peaks).repeat(Config["ApplyFrequency"]), label="tho")
             ax5.plot(linspace(orgBcg_SP, orgBcg_EP, len(diff(orgBcg_peaks).repeat(Config["ApplyFrequency"]))),
                      diff(orgBcg_peaks).repeat(Config["ApplyFrequency"]), label="resp")
             ax5.set_title("resp_interval")
+            ax5.legend()
             ax5.set_ylim((10, 50))
 
             ax6 = self.fig.add_subplot(326)
             ax6.plot(linspace(PSG_SP, PSG_EP, len(diff(abd_peaks).repeat(Config["ApplyFrequency"]))),
-                     diff(abd_peaks).repeat(Config["ApplyFrequency"]))
+                     diff(abd_peaks).repeat(Config["ApplyFrequency"]), label="abd")
             ax6.plot(linspace(PSG_SP, PSG_EP, len(diff(orgBcg_peaks).repeat(Config["ApplyFrequency"]))),
                      diff(orgBcg_peaks).repeat(Config["ApplyFrequency"]), label="resp")
             ax6.set_title("abd_interval")
+            ax6.legend()
             ax6.set_ylim((10, 50))
 
             self.fig.canvas.draw()