diff --git a/internal/distributed/proxy/httpserver/utils.go b/internal/distributed/proxy/httpserver/utils.go
index 8d951301be..bb44c20e06 100644
--- a/internal/distributed/proxy/httpserver/utils.go
+++ b/internal/distributed/proxy/httpserver/utils.go
@@ -19,7 +19,6 @@ package httpserver
 import (
 	"bytes"
 	"context"
-	"encoding/base64"
 	"fmt"
 	"math"
 	"reflect"
@@ -31,8 +30,6 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/spf13/cast"
 	"github.com/tidwall/gjson"
-	"github.com/twpayne/go-geom/encoding/wkb"
-	"github.com/twpayne/go-geom/encoding/wkt"
 	"go.uber.org/zap"
 	"google.golang.org/protobuf/proto"
 
@@ -549,24 +546,7 @@ func checkAndSetData(body []byte, collSchema *schemapb.CollectionSchema) (error,
 				case schemapb.DataType_JSON:
 					reallyData[fieldName] = []byte(dataString)
 				case schemapb.DataType_Geometry:
-					// treat as string(wkt) data,the string data must be valid
-					WktString, err := base64.StdEncoding.DecodeString(dataString)
-					if err != nil {
-						log.Warn("proxy can not decode datastring with base64", zap.String("WktString:", dataString))
-						return merr.WrapErrParameterInvalid(schemapb.DataType_name[int32(fieldType)], dataString, err.Error()), reallyDataArray, validDataMap
-					}
-					geomT, err := wkt.Unmarshal(string(WktString))
-					if err != nil {
-						log.Warn("proxy change wkt to geomtyr failed!!", zap.String("WktString:", dataString))
-						return merr.WrapErrParameterInvalid(schemapb.DataType_name[int32(fieldType)], dataString, err.Error()), reallyDataArray, validDataMap
-					}
-					// translate the wkt bytes to wkb bytes ,store the bytes in LittleEndian which cpp core used as well
-					dataWkbBytes, err := wkb.Marshal(geomT, wkb.NDR)
-					if err != nil {
-						log.Warn("proxy change geomtry to wkb failed!!", zap.String("WktString:", dataString))
-						return merr.WrapErrParameterInvalid(schemapb.DataType_name[int32(fieldType)], dataString, err.Error()), reallyDataArray, validDataMap
-					}
-					reallyData[fieldName] = dataWkbBytes
+					reallyData[fieldName] = dataString
 				case schemapb.DataType_Float:
 					result, err := cast.ToFloat32E(dataString)
 					if err != nil {
@@ -775,7 +755,7 @@ func anyToColumns(rows []map[string]interface{}, validDataMap map[string][]bool,
 		case schemapb.DataType_JSON:
 			data = make([][]byte, 0, rowsLen)
 		case schemapb.DataType_Geometry:
-			data = make([][]byte, 0, rowsLen)
+			data = make([]string, 0, rowsLen)
 		case schemapb.DataType_FloatVector:
 			data = make([][]float32, 0, rowsLen)
 			dim, _ := getDim(field)
@@ -866,7 +846,7 @@ func anyToColumns(rows []map[string]interface{}, validDataMap map[string][]bool,
 			case schemapb.DataType_JSON:
 				nameColumns[field.Name] = append(nameColumns[field.Name].([][]byte), candi.v.Interface().([]byte))
 			case schemapb.DataType_Geometry:
-				nameColumns[field.Name] = append(nameColumns[field.Name].([][]byte), candi.v.Interface().([]byte))
+				nameColumns[field.Name] = append(nameColumns[field.Name].([]string), candi.v.Interface().(string))
 			case schemapb.DataType_FloatVector:
 				nameColumns[field.Name] = append(nameColumns[field.Name].([][]float32), candi.v.Interface().([]float32))
 			case schemapb.DataType_BinaryVector:
@@ -1034,9 +1014,9 @@ func anyToColumns(rows []map[string]interface{}, validDataMap map[string][]bool,
 		case schemapb.DataType_Geometry:
 			colData.Field = &schemapb.FieldData_Scalars{
 				Scalars: &schemapb.ScalarField{
-					Data: &schemapb.ScalarField_GeometryData{
-						GeometryData: &schemapb.GeometryArray{
-							Data: column.([][]byte),
+					Data: &schemapb.ScalarField_GeometryWktData{
+						GeometryWktData: &schemapb.GeometryWktArray{
+							Data: column.([]string),
 						},
 					},
 				},
@@ -1310,7 +1290,7 @@ func buildQueryResp(rowsNum int64, needFields []string, fieldDataList []*schemap
 			case schemapb.DataType_JSON:
 				rowsNum = int64(len(fieldDataList[0].GetScalars().GetJsonData().Data))
 			case schemapb.DataType_Geometry:
-				rowsNum = int64(len(fieldDataList[0].GetScalars().GetGeometryData().Data))
+				rowsNum = int64(len(fieldDataList[0].GetScalars().GetGeometryWktData().Data))
 			case schemapb.DataType_BinaryVector:
 				rowsNum = int64(len(fieldDataList[0].GetVectors().GetBinaryVector())*8) / fieldDataList[0].GetVectors().GetDim()
 			case schemapb.DataType_FloatVector:
@@ -1466,7 +1446,7 @@ func buildQueryResp(rowsNum int64, needFields []string, fieldDataList []*schemap
 						row[fieldDataList[j].FieldName] = nil
 						continue
 					}
-					row[fieldDataList[j].FieldName] = fieldDataList[j].GetScalars().GetGeometryData().Data[i]
+					row[fieldDataList[j].FieldName] = fieldDataList[j].GetScalars().GetGeometryWktData().Data[i]
 				default:
 					row[fieldDataList[j].FieldName] = ""
 				}
diff --git a/internal/distributed/proxy/httpserver/utils_test.go b/internal/distributed/proxy/httpserver/utils_test.go
index 7216099e77..c08ee838f4 100644
--- a/internal/distributed/proxy/httpserver/utils_test.go
+++ b/internal/distributed/proxy/httpserver/utils_test.go
@@ -1230,9 +1230,9 @@ func compareRow(m1 map[string]interface{}, m2 map[string]interface{}) bool {
 				return false
 			}
 		} else if key == "field-geometry" {
-			arr1 := value.([]uint8)
-			arr2 := string(m2[key].([]byte))
-			if arr2 != (string)(arr1) {
+			arr1 := value.(string)
+			arr2 := m2[key].(string)
+			if arr2 != arr1 {
 				return false
 			}
 		} else if strings.HasPrefix(key, "array-") {
@@ -1600,13 +1600,12 @@ func newFieldData(fieldDatas []*schemapb.FieldData, firstFieldType schemapb.Data
 		FieldName: "field-geometry",
 		Field: &schemapb.FieldData_Scalars{
 			Scalars: &schemapb.ScalarField{
-				Data: &schemapb.ScalarField_GeometryData{
-					GeometryData: &schemapb.GeometryArray{
-						// WKT: POINT (30.123 -10.456)
-						Data: [][]byte{
-							[]byte(`POINT (30.123 -10.456)`),
-							[]byte(`POINT (30.123 -10.456)`),
-							[]byte(`POINT (30.123 -10.456)`),
+				Data: &schemapb.ScalarField_GeometryWktData{
+					GeometryWktData: &schemapb.GeometryWktArray{
+						Data: []string{
+							`POINT (30.123 -10.456)`,
+							`POINT (30.123 -10.456)`,
+							`POINT (30.123 -10.456)`,
 							// wkb:{0x01, 0x01, 0x00, 0x00, 0x00, 0xD2, 0x4A, 0x4D, 0x6A, 0x8B, 0x3C, 0x5C, 0x0A, 0x0D, 0x1B, 0x4F, 0x4F, 0x9A, 0x3D, 0x4},
 						},
 					},
@@ -1919,7 +1918,7 @@ func newSearchResult(results []map[string]interface{}) []map[string]interface{}
 		result["field-varchar"] = strconv.Itoa(i)
 		result["field-string"] = strconv.Itoa(i)
 		result["field-json"] = []byte(`{"XXX": 0}`)
-		result["field-geometry"] = []byte(`POINT (30.123 -10.456)`)
+		result["field-geometry"] = `POINT (30.123 -10.456)`
 		result["field-array"] = []bool{true}
 		result["array-bool"] = []bool{true}
 		result["array-int8"] = []int32{0}