把esmm的训练集改成精准曝光训练集，并减少训练集数量

eda/esmm/Model_pipline/feature_engineering.py

@@ -166,7 +166,7 @@ def feature_engineer():
     validate_date = con_sql(db, sql)[0].values.tolist()[0]
     print("validate_date:" + validate_date)
     temp = datetime.datetime.strptime(validate_date, "%Y-%m-%d")
-    start = (temp - datetime.timedelta(days=100)).strftime("%Y-%m-%d")
+    start = (temp - datetime.timedelta(days=80)).strftime("%Y-%m-%d")
     print(start)
 
     db = pymysql.connect(host='172.16.40.158', port=4000, user='root', passwd='3SYz54LS9#^9sBvC')