优化:移动判断变量值的位置

src/Common/eval.ts

@@ -88,10 +88,6 @@ export function eval2(expr: string, params?: {}, defaultParam?: string): number
 
     if (typeof result === "bigint")
         result = Number(result);//防止bigint乱入
-
-    if (typeof result !== "number")
-        throw "计算结果不是实数!";
-
     return result;
 }
 

src/DatabaseServices/Template/Param/TemplateParam.ts

@@ -173,6 +173,8 @@ export class TemplateParam
             try
             {
                 value = eval2(this.expr as string, vardefines);
+                if (typeof value !== "number")
+                    throw "计算结果不是实数!";
             }
             catch (error)
             {