公式

blade-service/blade-manager/src/main/java/org/springblade/manager/service/impl/FormulaServiceImpl.java

@@ -1272,7 +1272,12 @@ public class FormulaServiceImpl extends BaseServiceImpl<FormulaMapper, Formula>
                                         }
                                     }
                                 }
-                                data = data2.substring(0,data2.length()-1);
+                                if(!data2.isEmpty()){
+                                    data = data2.substring(0,data2.length()-1);
+                                }
+                                else {
+                                    data =Expression.parse(formula.getFormula()).calculate(currentMap);
+                                }
                             }else{
                                 data =Expression.parse(formula.getFormula()).calculate(currentMap);
                             }