diff --git a/plugin/mysql/src/transfer.go b/plugin/mysql/src/transfer.go
index 167658d..9bb99b3 100644
--- a/plugin/mysql/src/transfer.go
+++ b/plugin/mysql/src/transfer.go
@@ -149,15 +149,15 @@ func (This *Conn) TransferToTypeByColumnType_Starrocks(columnType string, nullab
 		toType = "VARCHAR(20)"
 	case "int64":
 		toType = "BIGINT(20)"
-	case "uint32", "uint24":
+	case "uint32":
 		toType = "BIGINT(20)"
-	case "int32", "int24":
+	case "int32", "int24", "uint24":
 		toType = "INT(11)"
 	case "uint16":
 		toType = "INT(11)"
 	case "int16", "year(4)", "year(2)", "year":
 		toType = "SMALLINT(6)"
-	case "uint8", "SMALLINT(uint8)":
+	case "uint8":
 		toType = "SMALLINT(6)"
 	case "int8", "bool":
 		toType = "TINYINT(4)"
@@ -227,7 +227,11 @@ func (This *Conn) TransferToTypeByColumnType_Starrocks(columnType string, nullab
 			if lenStr == "" {
 				toType = "VARCHAR(255)"
 			} else {
-				toType = fmt.Sprintf("CHAR(%s)", lenStr)
+				if i == 0 {
+					toType = fmt.Sprintf("CHAR(%s)", lenStr)
+				} else {
+					toType = fmt.Sprintf("VARCHAR(%s)", lenStr)
+				}
 			}
 			break
 		}
diff --git a/plugin/mysql/src/transfer_test.go b/plugin/mysql/src/transfer_test.go
new file mode 100644
index 0000000..fa23503
--- /dev/null
+++ b/plugin/mysql/src/transfer_test.go
@@ -0,0 +1,183 @@
+package src
+
+import (
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestTransferToTypeByColumnType_Starrocks(t *testing.T) {
+	type ColumnTypeStruct struct {
+		columnTypeList []string
+		nullable       bool
+		destColumnType string
+	}
+	var caseList = []ColumnTypeStruct{
+		{
+			columnTypeList: []string{"uint64"},
+			nullable:       false,
+			destColumnType: "VARCHAR(20)",
+		},
+		{
+			columnTypeList: []string{"int64", "uint32"},
+			nullable:       false,
+			destColumnType: "BIGINT(20)",
+		},
+		{
+			columnTypeList: []string{"int32", "uint24", "int24", "uint16"},
+			nullable:       false,
+			destColumnType: "INT(11)",
+		},
+		{
+			columnTypeList: []string{"int16", "year(4)", "year(2)", "year", "uint8"},
+			nullable:       false,
+			destColumnType: "SMALLINT(6)",
+		},
+		{
+			columnTypeList: []string{"int8", "bool"},
+			nullable:       false,
+			destColumnType: "TINYINT(4)",
+		},
+		{
+			columnTypeList: []string{"float"},
+			nullable:       false,
+			destColumnType: "FLOAT",
+		},
+		{
+			columnTypeList: []string{"double", "real"},
+			nullable:       false,
+			destColumnType: "DOUBLE",
+		},
+		{
+			columnTypeList: []string{"decimal", "numeric"},
+			nullable:       false,
+			destColumnType: "DECIMAL",
+		},
+		{
+			columnTypeList: []string{"decimal(9,2)"},
+			nullable:       false,
+			destColumnType: "Decimal(9,2)",
+		},
+		{
+			columnTypeList: []string{"decimal(19,5)"},
+			nullable:       false,
+			destColumnType: "Decimal(19,5)",
+		},
+		{
+			columnTypeList: []string{"decimal(38,2)"},
+			nullable:       false,
+			destColumnType: "Decimal(38,2)",
+		},
+		{
+			columnTypeList: []string{"decimal(39,2)"},
+			nullable:       false,
+			destColumnType: "VARCHAR(78)",
+		},
+		{
+			columnTypeList: []string{"decimal(88,2)"},
+			nullable:       false,
+			destColumnType: "VARCHAR(255)",
+		},
+		{
+			columnTypeList: []string{"date", "Nullable(date)"},
+			nullable:       false,
+			destColumnType: "DATE",
+		},
+		{
+			columnTypeList: []string{"json"},
+			nullable:       false,
+			destColumnType: "JSON",
+		},
+		{
+			columnTypeList: []string{"time"},
+			nullable:       false,
+			destColumnType: "VARCHAR(10)",
+		},
+		{
+			columnTypeList: []string{"enum"},
+			nullable:       false,
+			destColumnType: "VARCHAR(255)",
+		},
+		{
+			columnTypeList: []string{"set"},
+			nullable:       false,
+			destColumnType: "VARCHAR(2048)",
+		},
+		{
+			columnTypeList: []string{"string", "longblob", "longtext"},
+			nullable:       false,
+			destColumnType: "VARCHAR(163841)",
+		},
+		{
+			columnTypeList: []string{"double(9,2)", "real(10,2)"},
+			nullable:       false,
+			destColumnType: "DOUBLE",
+		},
+		{
+			columnTypeList: []string{"float(9,2)"},
+			nullable:       false,
+			destColumnType: "FLOAT",
+		},
+		{
+			columnTypeList: []string{"bit"},
+			nullable:       false,
+			destColumnType: "BIGINT(20)",
+		},
+		{
+			columnTypeList: []string{"timestamp(6)", "datetime(3)"},
+			nullable:       false,
+			destColumnType: "DATETIME",
+		},
+		{
+			columnTypeList: []string{"time(6)", "time(1)"},
+			nullable:       false,
+			destColumnType: "VARCHAR(16)",
+		},
+		{
+			columnTypeList: []string{"enum('a','b')"},
+			nullable:       false,
+			destColumnType: "VARCHAR(255)",
+		},
+		{
+			columnTypeList: []string{"set('a','b')"},
+			nullable:       false,
+			destColumnType: "VARCHAR(2048)",
+		},
+		{
+			columnTypeList: []string{"char(1)"},
+			nullable:       false,
+			destColumnType: "CHAR(1)",
+		},
+		{
+			columnTypeList: []string{"char(255)"},
+			nullable:       false,
+			destColumnType: "CHAR(255)",
+		},
+		{
+			columnTypeList: []string{"varchar(500)"},
+			nullable:       false,
+			destColumnType: "VARCHAR(500)",
+		},
+
+		{
+			columnTypeList: []string{"Nullable(varchar(500))"},
+			nullable:       false,
+			destColumnType: "VARCHAR(500)",
+		},
+		{
+			columnTypeList: []string{"Nullable(int64)"},
+			nullable:       true,
+			destColumnType: "BIGINT(20) DEFAULT NULL",
+		},
+	}
+
+	c := &Conn{}
+	for _, caseInfo := range caseList {
+		for _, columnType := range caseInfo.columnTypeList {
+			Convey(caseInfo.destColumnType, t, func() {
+				toDestColumnType := c.TransferToTypeByColumnType_Starrocks(columnType, caseInfo.nullable)
+				So(toDestColumnType, ShouldEqual, caseInfo.destColumnType)
+			})
+		}
+	}
+}
diff --git a/plugin/mysql/src/version.go b/plugin/mysql/src/version.go
index 26d8973..9fe92f4 100644
--- a/plugin/mysql/src/version.go
+++ b/plugin/mysql/src/version.go
@@ -1,4 +1,4 @@
 package src
 
-const VERSION = "v2.2.0"
-const BIFROST_VERION = "v2.2.0"
+const VERSION = "v2.3.5"
+const BIFROST_VERION = "v2.3.4"