diff --git a/handler.py b/handler.py
index 22507d1..fd5d9e1 100644
--- a/handler.py
+++ b/handler.py
@@ -1,4 +1,4 @@
-import y1
+from yi import YiProgram
 
 def handle(conf):
     """
@@ -10,9 +10,27 @@
     参数请放到params字典中，我们会自动解析该变量。
     """
 
-    things = conf['things']  # value_type: str # description: some description
+    # get the input params
+    wish = conf['wish']  # value_type: str # description: some description
     pray = conf['pray']
+
+    # predict
+    obj = YiProgram()
+    origin_hexagram, support_hexagram, turn_symbol_desc, main_indicate, support_indicate = obj.predict(wish, pray)
     
-    # add your code
-    return {'ret1': 'cat'}
+    # return results
+    return dict(
+        origin_hexagram=origin_hexagram, 
+        support_hexagram=origin_hexagram,
+        turn_symbol_desc=turn_symbol_desc,
+        main_indicate=main_indicate, 
+        support_indicate=support_indicate
+        )
+
+if __name__ == '__main__':
+    wish = '希望'
+    pray = '祈祷'
+    conf = dict(wish=wish, pray=pray)
+    results = handle(conf)
+    print('results:\n', results)