diff --git a/APIJSON.NET/APIJSON.Data/SelectTable.cs b/APIJSON.NET/APIJSON.Data/SelectTable.cs
index 39838b7..8aa9e2d 100644
--- a/APIJSON.NET/APIJSON.Data/SelectTable.cs
+++ b/APIJSON.NET/APIJSON.Data/SelectTable.cs
@@ -140,7 +140,7 @@ public virtual JObject QuerySingle(JObject queryObj, string nodeName = "infos")
             {
                 ExecFunc(resultObj, item);
             }
-            else if (key.Equals("total@"))
+            else if (key.Equals("total@")|| key.Equals("total"))
             {
                 resultObj.Add("total", total);
             }
@@ -196,7 +196,7 @@ public virtual JObject Query(JObject queryObj)
             {
                 ExecFunc(resultObj, item);
             }
-            else if (key.Equals("total@"))
+            else if (key.Equals("total@")|| key.Equals("total"))
             {
                 resultObj.Add("total", total);
             }
@@ -535,6 +535,11 @@ private void ProcessColumn(string subtable, string selectrole, JObject values, I
                     }
                     str.Append(ziduan[0] + " as `" + ReplaceSQLChar(ziduan[1]) + "`,");
                 }
+                //不对函数加``,解决sum(*),Count(1)等不能使用的问题
+                else if (ziduan[0].Contains('('))
+                {
+                    str.Append(ziduan[0] + ",");
+                }
                 else
                     str.Append("`" + ziduan[0] + "`" + ",");