fix update corr

app/service/portfolio_diagnose.py

@@ -740,7 +740,12 @@ class PortfolioDiagnose(object):
             prod.drop(labels='cal_date', inplace=True, axis=1)
         if 'end_date' in prod.columns:
             prod.drop(labels='end_date', inplace=True, axis=1)
-        self.new_correlation = cal_correlation(prod)
+
+        corr_df = prod.copy()
+        corr_df.ffill(inplace=True)
+        corr_df.bfill(inplace=True)
+
+        self.new_correlation = cal_correlation(corr_df)
 
         prod.dropna(how='all', inplace=True)
         prod.ffill(inplace=True)