Merge remote-tracking branch 'origin/dev-dividend' into dev-dividend

asset_pool/asset_optimize.py

@@ -216,6 +216,8 @@ class FundDividendSortinoAssetOptimize(SortinoAssetOptimize):
 
     def get_groups(self, day=None):
         funds = pd.DataFrame(self.get_filtered_funds(day))
+        if len(funds) < get_config('portfolios.solver.asset-count')[0]:
+            raise ValueError(f"基金优选个数小于{get_config('portfolios.solver.asset-count')[0]}，请调整参数")
         result = []
         if self.asset_include:
             include = list(self.asset_include.keys())[0]