diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index ac73ad1..9e4fbbd 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [ '1.17', '1.18' ]
+        go: [ '1.18' ]
     steps:
     - uses: actions/checkout@v3
 
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index 4af7bb1..1169dd4 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [ '1.17', '1.18' ]
+        go: [ '1.18' ]
     steps:
       - name: Set up Go
         uses: actions/setup-go@v3
diff --git a/go.mod b/go.mod
index 3f359b0..3a752bc 100644
--- a/go.mod
+++ b/go.mod
@@ -5,8 +5,8 @@ go 1.17
 require (
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d
 	github.com/evanphx/json-patch v0.5.2
-	github.com/free5gc/openapi v1.0.6
-	github.com/free5gc/util v1.0.5-0.20230511064842-2e120956883b
+	github.com/free5gc/openapi v1.0.7-0.20230802173229-2b3ded4db293
+	github.com/free5gc/util v1.0.5-0.20230823103219-e511c4fd20ef
 	github.com/gin-gonic/gin v1.9.1
 	github.com/google/uuid v1.3.0
 	github.com/mitchellh/mapstructure v1.4.3
diff --git a/go.sum b/go.sum
index af4686f..1ffa215 100644
--- a/go.sum
+++ b/go.sum
@@ -63,10 +63,10 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/evanphx/json-patch v0.5.2 h1:xVCHIVMUu1wtM/VkR9jVZ45N3FhZfYMMYGorLCR8P3k=
 github.com/evanphx/json-patch v0.5.2/go.mod h1:ZWS5hhDbVDyob71nXKNL0+PWn6ToqBHMikGIFbs31qQ=
-github.com/free5gc/openapi v1.0.6 h1:ytRjU/YZRI8UhKKyfajXSyGB6s1YDFkJ1weeAGJ8LXw=
-github.com/free5gc/openapi v1.0.6/go.mod h1:iw/N0E+FlX44EEx24IBi2EdZW8v+bkj3ETWPGnlK9DI=
-github.com/free5gc/util v1.0.5-0.20230511064842-2e120956883b h1:XMw3j+4AEXLeL/uyiZ7/qYE1X7Ul05RTwWBhzxCLi+0=
-github.com/free5gc/util v1.0.5-0.20230511064842-2e120956883b/go.mod h1:l2Jrml4vojDomW5jdDJhIS60KdbrE9uPYhyAq/7OnF4=
+github.com/free5gc/openapi v1.0.7-0.20230802173229-2b3ded4db293 h1:BSIvKCYu7646sE8J9R1L8v2R435otUik3wOFN33csfs=
+github.com/free5gc/openapi v1.0.7-0.20230802173229-2b3ded4db293/go.mod h1:iw/N0E+FlX44EEx24IBi2EdZW8v+bkj3ETWPGnlK9DI=
+github.com/free5gc/util v1.0.5-0.20230823103219-e511c4fd20ef h1:ne0EMnst7wbLoaY2Uvn/2Kvp/KkXKMQJcaIJQKFe+a4=
+github.com/free5gc/util v1.0.5-0.20230823103219-e511c4fd20ef/go.mod h1:l2Jrml4vojDomW5jdDJhIS60KdbrE9uPYhyAq/7OnF4=
 github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
 github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
diff --git a/internal/sbi/producer/data_repository.go b/internal/sbi/producer/data_repository.go
index d66ccfd..06fd3ab 100644
--- a/internal/sbi/producer/data_repository.go
+++ b/internal/sbi/producer/data_repository.go
@@ -41,6 +41,21 @@ func getDataFromDB(collName string, filter bson.M) (map[string]interface{}, *mod
 	return data, nil
 }
 
+func getDataFromDBWithArg(collName string, filter bson.M, strength int) (
+	map[string]interface{}, *models.ProblemDetails,
+) {
+	data, err := mongoapi.RestfulAPIGetOneWithArg(collName, filter, strength)
+	if err != nil {
+		return nil, openapi.ProblemDetailsSystemFailure(err.Error())
+	}
+	if data == nil {
+		logger.ConsumerLog.Errorln("filter: ", filter)
+		return nil, util.ProblemDetailsNotFound("DATA_NOT_FOUND")
+	}
+
+	return data, nil
+}
+
 func deleteDataFromDB(collName string, filter bson.M) {
 	if err := mongoapi.RestfulAPIDeleteOne(collName, filter); err != nil {
 		logger.DataRepoLog.Errorf("deleteDataFromDB: %+v", err)
@@ -1436,19 +1451,43 @@ func PolicyDataUesUeIdSmDataGetProcedure(collName string, ueId string, snssai mo
 ) (*models.SmPolicyData, *models.ProblemDetails) {
 	filter := bson.M{"ueId": ueId}
 
-	if !reflect.DeepEqual(snssai, models.Snssai{}) {
-		filter["smPolicySnssaiData."+util.SnssaiModelsToHex(snssai)] = bson.M{"$exists": true}
-	}
-	if !reflect.DeepEqual(snssai, models.Snssai{}) && dnn != "" {
-		dnnKey := util.EscapeDnn(dnn)
-		filter["smPolicySnssaiData."+util.SnssaiModelsToHex(snssai)+".smPolicyDnnData."+dnnKey] = bson.M{"$exists": true}
-	}
-
-	smPolicyData, pd := getDataFromDB(collName, filter)
+	smPolicyData, pd := getDataFromDBWithArg(collName, filter, mongoapi.COLLATION_STRENGTH_IGNORE_CASE)
 	if pd != nil {
 		return nil, pd
 	}
 
+	hex_snssai := util.SnssaiModelsToHex(snssai)
+	found := false
+	smPolicySnssaiDatas, ok := smPolicyData["smPolicySnssaiData"].(map[string]interface{})
+	if !ok {
+		return nil, util.ProblemDetailsNotFound("DATA_NOT_FOUND")
+	}
+	for snssai, v := range smPolicySnssaiDatas {
+		if !strings.EqualFold(snssai, hex_snssai) {
+			continue
+		}
+		smPolicySnssaiData, ok := v.(map[string]interface{})
+		if !ok {
+			break
+		}
+		smPolicyDnnDatas, ok := smPolicySnssaiData["smPolicyDnnData"].(map[string]interface{})
+		if !ok {
+			break
+		}
+		for dnn := range smPolicyDnnDatas {
+			if strings.EqualFold(dnn, util.EscapeDnn(dnn)) {
+				found = true
+				break
+			}
+		}
+		if found {
+			break
+		}
+	}
+	if !found {
+		return nil, util.ProblemDetailsNotFound("DATA_NOT_FOUND")
+	}
+
 	var smPolicyDataResp models.SmPolicyData
 	err := json.Unmarshal(util.MapToByte(smPolicyData), &smPolicyDataResp)
 	if err != nil {
@@ -2402,7 +2441,8 @@ func QueryProvisionedDataProcedure(ueId string, servingPlmnId string,
 
 	collName = "subscriptionData.provisionedData.smData"
 	filter = bson.M{"ueId": ueId, "servingPlmnId": servingPlmnId}
-	sessionManagementSubscriptionDatas, err := mongoapi.RestfulAPIGetMany(collName, filter)
+	sessionManagementSubscriptionDatas, err := mongoapi.
+		RestfulAPIGetManyWithArg(collName, filter, mongoapi.COLLATION_STRENGTH_IGNORE_CASE)
 	if err != nil {
 		logger.DataRepoLog.Errorf("QueryProvisionedDataProcedure get sessionManagementSubscriptionDatas err: %+v", err)
 		return nil, openapi.ProblemDetailsSystemFailure(err.Error())
@@ -2776,7 +2816,8 @@ func QuerySmDataProcedure(collName string, ueId string, servingPlmnId string,
 		filter["dnnConfigurations."+dnnKey] = bson.M{"$exists": true}
 	}
 
-	sessionManagementSubscriptionDatas, err := mongoapi.RestfulAPIGetMany(collName, filter)
+	sessionManagementSubscriptionDatas, err := mongoapi.
+		RestfulAPIGetManyWithArg(collName, filter, mongoapi.COLLATION_STRENGTH_IGNORE_CASE)
 	if err != nil {
 		logger.DataRepoLog.Errorf("QuerySmDataProcedure err: %+v", err)
 		return nil
@@ -2913,7 +2954,7 @@ func HandleQuerySmfRegList(request *httpwrapper.Request) *httpwrapper.Response {
 
 func QuerySmfRegListProcedure(collName string, ueId string) *[]map[string]interface{} {
 	filter := bson.M{"ueId": ueId}
-	smfRegList, err := mongoapi.RestfulAPIGetMany(collName, filter)
+	smfRegList, err := mongoapi.RestfulAPIGetManyWithArg(collName, filter, mongoapi.COLLATION_STRENGTH_IGNORE_CASE)
 	if err != nil {
 		logger.DataRepoLog.Errorf("QuerySmfRegListProcedure err: %+v", err)
 		return nil