又搞到3点，还是没有找到问题在哪，不过已经排除了是forward的问题

algorithms/neat/genome/origin_neat/aggregations.py

@@ -0,0 +1,14 @@
+"""
+Has the built-in aggregation functions, code for using them,
+and code for adding new user-defined ones.
+"""
+
+def sum_aggregation(x):
+    return sum(x)
+
+
+aggregation_dict = {
+    'sum': sum_aggregation,
+}
+
+full_aggregation_list = list(aggregation_dict.keys())