diff --git a/changelog.md b/changelog.md
index 1374e11..3ede69b 100644
--- a/changelog.md
+++ b/changelog.md
@@ -54,6 +54,7 @@ b['1']['2'] = {'3':1}  # OK
 ## 1.0.3 (20200603)
 ### feature
 - design GUI with qdesigner ![kman GUI](https://i.loli.net/2020/06/03/wlFETiSCPmx29hI.png)
+- define toolbar action's slots
 
 # feature plan
 ## 20200528
@@ -61,3 +62,7 @@ b['1']['2'] = {'3':1}  # OK
 - add GUI use QT
 
 
+
+
+
+
diff --git a/kmanapp.py b/kmanapp.py
index ac55e2a..1115ff3 100644
--- a/kmanapp.py
+++ b/kmanapp.py
@@ -29,35 +29,35 @@ class kmanWindow(QMainWindow):
         ui.actionflush.triggered.connect(lambda: self.flush())
 
     # define slot functions
-    def importkindle():
+    def importkindle(self):
         print("call slot importkindle()")
         pass
 
-    def importlocal():
+    def importlocal(self):
         print("call slot importlocal()")
         pass
 
-    def config():
+    def config(self):
         print("call slot config()")
         pass
 
-    def words():
+    def words(self):
         print("call slot words()")
         pass
 
-    def statistic():
+    def statistic(self):
         print("call slot statistic()")
         pass
 
-    def homepage():
+    def homepage(self):
         print("call slot homepage()")
         pass
 
-    def about():
+    def about(self):
         print("call slot about()")
         pass
 
-    def flush():
+    def flush(self):
         print("call slot flush()")
         pass