diff --git a/auth/src/main/java/org/apache/rocketmq/auth/authentication/factory/AuthenticationFactory.java b/auth/src/main/java/org/apache/rocketmq/auth/authentication/factory/AuthenticationFactory.java
index 3d1f7fdb04e4..3ba82add5ab9 100644
--- a/auth/src/main/java/org/apache/rocketmq/auth/authentication/factory/AuthenticationFactory.java
+++ b/auth/src/main/java/org/apache/rocketmq/auth/authentication/factory/AuthenticationFactory.java
@@ -142,7 +142,9 @@ private static <V> V computeIfAbsent(String key, Function<String, ? extends V> f
                 }
                 if (result == null) {
                     result = function.apply(key);
-                    INSTANCE_MAP.put(key, result);
+                    if (result != null) {
+                        INSTANCE_MAP.put(key, result);
+                    }
                 }
             }
         }
diff --git a/auth/src/main/java/org/apache/rocketmq/auth/authorization/factory/AuthorizationFactory.java b/auth/src/main/java/org/apache/rocketmq/auth/authorization/factory/AuthorizationFactory.java
index 815a68b0f36e..f87a5304cb74 100644
--- a/auth/src/main/java/org/apache/rocketmq/auth/authorization/factory/AuthorizationFactory.java
+++ b/auth/src/main/java/org/apache/rocketmq/auth/authorization/factory/AuthorizationFactory.java
@@ -19,9 +19,9 @@
 import com.google.protobuf.GeneratedMessageV3;
 import io.grpc.Metadata;
 import io.netty.channel.ChannelHandlerContext;
+import java.util.HashMap;
 import java.util.List;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
+import java.util.Map;
 import java.util.function.Function;
 import java.util.function.Supplier;
 import org.apache.commons.lang3.StringUtils;
@@ -39,7 +39,7 @@
 
 public class AuthorizationFactory {
 
-    private static final ConcurrentMap<String, Object> INSTANCE_MAP = new ConcurrentHashMap<>();
+    private static final Map<String, Object> INSTANCE_MAP = new HashMap<>();
     private static final String PROVIDER_PREFIX = "PROVIDER_";
     private static final String METADATA_PROVIDER_PREFIX = "METADATA_PROVIDER_";
     private static final String EVALUATOR_PREFIX = "EVALUATOR_";
@@ -145,7 +145,9 @@ private static <V> V computeIfAbsent(String key, Function<String, ? extends V> f
                 }
                 if (result == null) {
                     result = function.apply(key);
-                    INSTANCE_MAP.put(key, result);
+                    if (result != null) {
+                        INSTANCE_MAP.put(key, result);
+                    }
                 }
             }
         }