diff --git a/rc-auth/src/main/java/com/red/circle/auth/common/LoginAccessValidationService.java b/rc-auth/src/main/java/com/red/circle/auth/common/LoginAccessValidationService.java
index 747ec451..6d3ec76b 100644
--- a/rc-auth/src/main/java/com/red/circle/auth/common/LoginAccessValidationService.java
+++ b/rc-auth/src/main/java/com/red/circle/auth/common/LoginAccessValidationService.java
@@ -39,10 +39,10 @@ public class LoginAccessValidationService {
       "香港", "澳门", "澳門", "台湾", "台灣", "Hong Kong", "Macau", "Macao", "Taiwan"
   );
   private static final List<String> BLOCKED_COUNTRY_CODES = List.of(
-      "MO", "SG"
+      "MO"
   );
   private static final List<String> BLOCKED_COUNTRY_NAMES = List.of(
-      "澳门", "澳門", "Macau", "Macao", "新加坡", "Singapore"
+      "澳门", "澳門", "Macau", "Macao"
   );
   private static final List<IpGeoProvider> IP_GEO_PROVIDERS = List.of(
       new IpGeoProvider("ip.sb", "https://api.ip.sb/geoip/%s"),
diff --git a/rc-auth/src/test/java/com/red/circle/auth/common/LoginAccessValidationServiceTest.java b/rc-auth/src/test/java/com/red/circle/auth/common/LoginAccessValidationServiceTest.java
index 36991a35..af46b42f 100644
--- a/rc-auth/src/test/java/com/red/circle/auth/common/LoginAccessValidationServiceTest.java
+++ b/rc-auth/src/test/java/com/red/circle/auth/common/LoginAccessValidationServiceTest.java
@@ -98,12 +98,12 @@ public class LoginAccessValidationServiceTest {
   }
 
   @Test
-  public void blockSingaporeCountryCode() {
+  public void allowSingaporeCountryCode() {
     JSONObject data = JSON.parseObject("""
         {"country_id":"SG","country":"Singapore","region":""}
         """);
 
-    assertTrue(LoginAccessValidationService.isBlockedIpRegion(data));
+    assertFalse(LoginAccessValidationService.isBlockedIpRegion(data));
   }
 
   @Test
diff --git a/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/utils/IpCountryUtils.java b/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/utils/IpCountryUtils.java
index 9374c750..fbc408e3 100644
--- a/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/utils/IpCountryUtils.java
+++ b/rc-service/rc-service-other/other-infrastructure/src/main/java/com/red/circle/other/infra/utils/IpCountryUtils.java
@@ -32,10 +32,10 @@ public class IpCountryUtils {
       "香港", "澳门", "澳門", "台湾", "台灣", "Hong Kong", "Macau", "Macao", "Taiwan"
   );
   private static final List<String> BLOCKED_COUNTRY_CODES = List.of(
-      "MO", "SG"
+      "MO"
   );
   private static final List<String> BLOCKED_COUNTRY_NAMES = List.of(
-      "澳门", "澳門", "Macau", "Macao", "新加坡", "Singapore"
+      "澳门", "澳門", "Macau", "Macao"
   );
   private static final List<IpGeoProvider> IP_GEO_PROVIDERS = List.of(
       new IpGeoProvider("ip.sb", "https://api.ip.sb/geoip/%s"),
diff --git a/rc-service/rc-service-other/other-infrastructure/src/test/java/com/red/circle/other/infra/utils/IpCountryUtilsTest.java b/rc-service/rc-service-other/other-infrastructure/src/test/java/com/red/circle/other/infra/utils/IpCountryUtilsTest.java
index 3af523ee..98b3a47a 100644
--- a/rc-service/rc-service-other/other-infrastructure/src/test/java/com/red/circle/other/infra/utils/IpCountryUtilsTest.java
+++ b/rc-service/rc-service-other/other-infrastructure/src/test/java/com/red/circle/other/infra/utils/IpCountryUtilsTest.java
@@ -92,10 +92,10 @@ public class IpCountryUtilsTest {
   }
 
   @Test
-  public void blockSingaporeCountryCode() {
+  public void allowSingaporeCountryCode() {
     IpCountryUtils.IpGeoData data = new IpCountryUtils.IpGeoData("SG", "Singapore", "", "test");
 
-    assertTrue(IpCountryUtils.isBlockedIpRegion(data));
+    assertFalse(IpCountryUtils.isBlockedIpRegion(data));
   }
 
   @Test