diff --git a/Src/Asp.NetCore2/SqlSugar.GBaseCore/GBase/SqlBuilder/GBaseInsertBuilder.cs b/Src/Asp.NetCore2/SqlSugar.GBaseCore/GBase/SqlBuilder/GBaseInsertBuilder.cs
index 5076b367d..7b549e279 100644
--- a/Src/Asp.NetCore2/SqlSugar.GBaseCore/GBase/SqlBuilder/GBaseInsertBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar.GBaseCore/GBase/SqlBuilder/GBaseInsertBuilder.cs
@@ -132,7 +132,7 @@ namespace SqlSugar.GBase
                 }
                 else if (type == UtilConstants.BoolType)
                 {
-                    return value.ObjToBool() ? "t" : "f";
+                    return string.Format("CAST({0} AS boolean)", value.ObjToBool()?1:0) ;
                 }
                 else
                 {
diff --git a/Src/Asp.NetCore2/SqlSugar.GBaseCore/GBase/SqlBuilder/GBaseUpdateBuilder.cs b/Src/Asp.NetCore2/SqlSugar.GBaseCore/GBase/SqlBuilder/GBaseUpdateBuilder.cs
index 20ae25eac..88607e4ba 100644
--- a/Src/Asp.NetCore2/SqlSugar.GBaseCore/GBase/SqlBuilder/GBaseUpdateBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar.GBaseCore/GBase/SqlBuilder/GBaseUpdateBuilder.cs
@@ -97,7 +97,7 @@ namespace SqlSugar.GBase
                 }
                 else if (value is bool)
                 {
-                    return value.ObjToString().ToLower();
+                    return string.Format("CAST({0} AS boolean)", value.ObjToBool() ? 1 : 0);
                 }
                 else if (type == UtilConstants.StringType || type == UtilConstants.ObjType)
                 {