diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbBind/DmDbBind.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbBind/DmDbBind.cs
index 09340264a..e55dfdbcb 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbBind/DmDbBind.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DbBind/DmDbBind.cs
@@ -107,11 +107,11 @@ namespace SqlSugar
                   new KeyValuePair<string, CSharpDataType>("number",CSharpDataType.@long),
                   new KeyValuePair<string, CSharpDataType>("number",CSharpDataType.@bool),
                   new KeyValuePair<string, CSharpDataType>("boolean",CSharpDataType.@bool),
-                  new KeyValuePair<string, CSharpDataType>("bit",CSharpDataType.@bool),
+                  new KeyValuePair<string, CSharpDataType>("bit",CSharpDataType.@bool), 
+                  new KeyValuePair<string, CSharpDataType>("decimal",CSharpDataType.@decimal),
                   new KeyValuePair<string, CSharpDataType>("number",CSharpDataType.@decimal),
                   new KeyValuePair<string, CSharpDataType>("numeric",CSharpDataType.@decimal),
                   new KeyValuePair<string, CSharpDataType>("number",CSharpDataType.Single),
-                  new KeyValuePair<string, CSharpDataType>("decimal",CSharpDataType.@decimal),
                   new KeyValuePair<string, CSharpDataType>("decimal",CSharpDataType.Single),
                   new KeyValuePair<string, CSharpDataType>("dec",CSharpDataType.@decimal),
                   new KeyValuePair<string, SqlSugar.CSharpDataType>("double precision",CSharpDataType.@double),