diff --git a/define.go b/define.go
new file mode 100644
index 0000000..3e14fcd
--- /dev/null
+++ b/define.go
@@ -0,0 +1,45 @@
+// Package wrapper ...
+//
+// Description : wrapper ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2023-05-05 14:44
+package wrapper
+
+const (
+	DataTypeAny = "interface"
+
+	DataTypeString = "string"
+
+	DataTypeInt8  = "int8"
+	DataTypeInt16 = "int16"
+	DataTypeInt32 = "int32"
+	DataTypeInt64 = "int64"
+	DataTypeInt   = "int"
+
+	DataTypeUint8  = "uint8"
+	DataTypeUint16 = "uint16"
+	DataTypeUint32 = "uint32"
+	DataTypeUint64 = "uint64"
+	DataTypeUint   = "uint"
+
+	DataTypeBool = "bool"
+
+	DataTypeNumber = "number"
+
+	DataTypeFloat32 = "float32"
+	DataTypeFloat64 = "float64"
+	DataTypeDouble  = "double"
+	DataTypeFloat   = "float"
+
+	DataTypeIntSlice    = "[]int"
+	DataTypeUntSlice    = "[]uint"
+	DataTypeNumberSlice = "[]number"
+	DataTypeFloatSlice  = "[]float"
+	DataTypeBoolSlice   = "[]bool"
+	DataTypeAnySlice    = "[]interface"
+
+	DataTypeObject    = "map[string]interface"
+	DataTypeAnyObject = "map[interface]interface"
+)