diff --git a/backend/src/main/java/io/metersphere/track/validate/CustomFieldMemberValidator.java b/backend/src/main/java/io/metersphere/track/validate/CustomFieldMemberValidator.java
index 28a61d79e9..ee2d01fa23 100644
--- a/backend/src/main/java/io/metersphere/track/validate/CustomFieldMemberValidator.java
+++ b/backend/src/main/java/io/metersphere/track/validate/CustomFieldMemberValidator.java
@@ -22,8 +22,8 @@ public class CustomFieldMemberValidator extends AbstractCustomFieldValidator {
         this.isKVOption = true;
         UserService userService = CommonBeanFactory.getBean(UserService.class);
         List<User> memberOption = userService.getProjectMemberOption(SessionUtils.getCurrentProjectId());
-        userIdMap = memberOption.stream().collect(Collectors.toMap(user -> user.getId().toLowerCase(), user -> user.getName().toLowerCase()));
-        userNameMap = memberOption.stream().collect(Collectors.toMap(user -> user.getName().toLowerCase(), user -> user.getId().toLowerCase()));
+        userIdMap = memberOption.stream().collect(Collectors.toMap(user -> user.getId().toLowerCase(), User::getId));
+        userNameMap = memberOption.stream().collect(Collectors.toMap(user -> user.getName().toLowerCase(), User::getId));
     }
 
     @Override
@@ -41,6 +41,10 @@ public class CustomFieldMemberValidator extends AbstractCustomFieldValidator {
 
     @Override
     public Object parse2Key(String keyOrValue, CustomFieldDao customField) {
+        keyOrValue = keyOrValue.toLowerCase();
+        if (userIdMap.containsKey(keyOrValue)) {
+            return userIdMap.get(keyOrValue);
+        }
         if (userNameMap.containsKey(keyOrValue.toLowerCase())) {
             return userNameMap.get(keyOrValue.toLowerCase());
         }
diff --git a/backend/src/main/java/io/metersphere/track/validate/CustomFieldMultipleMemberValidator.java b/backend/src/main/java/io/metersphere/track/validate/CustomFieldMultipleMemberValidator.java
index 2e48a00568..0471d0bc2b 100644
--- a/backend/src/main/java/io/metersphere/track/validate/CustomFieldMultipleMemberValidator.java
+++ b/backend/src/main/java/io/metersphere/track/validate/CustomFieldMultipleMemberValidator.java
@@ -34,6 +34,9 @@ public class CustomFieldMultipleMemberValidator extends CustomFieldMemberValidat
 
         for (int i = 0; i < keyOrValues.size(); i++) {
             String item = keyOrValues.get(i).toLowerCase();
+            if (userIdMap.containsKey(item)) {
+                keyOrValues.set(i, userIdMap.get(item));
+            }
             if (userNameMap.containsKey(item)) {
                 keyOrValues.set(i, userNameMap.get(item));
             }