diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/extension/ExtensionLoader.java b/dubbo-common/src/main/java/org/apache/dubbo/common/extension/ExtensionLoader.java
index 75b7562398e..1d071a1551c 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/extension/ExtensionLoader.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/extension/ExtensionLoader.java
@@ -860,19 +860,8 @@ private String createAdaptiveExtensionClassCode() {
                 String[] value = adaptiveAnnotation.value();
                 // value is not set, use the value generated from class name as the key
                 if (value.length == 0) {
-                    char[] charArray = type.getSimpleName().toCharArray();
-                    StringBuilder sb = new StringBuilder(128);
-                    for (int i = 0; i < charArray.length; i++) {
-                        if (Character.isUpperCase(charArray[i])) {
-                            if (i != 0) {
-                                sb.append(".");
-                            }
-                            sb.append(Character.toLowerCase(charArray[i]));
-                        } else {
-                            sb.append(charArray[i]);
-                        }
-                    }
-                    value = new String[]{sb.toString()};
+                    String splitName = StringUtils.camelToSplitName(type.getSimpleName(), ".");
+                    value = new String[]{splitName};
                 }
 
                 boolean hasInvocation = false;
diff --git a/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/beans/factory/annotation/ServiceAnnotationBeanPostProcessor.java b/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/beans/factory/annotation/ServiceAnnotationBeanPostProcessor.java
index 389ef217367..0558528f61b 100644
--- a/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/beans/factory/annotation/ServiceAnnotationBeanPostProcessor.java
+++ b/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/beans/factory/annotation/ServiceAnnotationBeanPostProcessor.java
@@ -261,7 +261,7 @@ private void registerServiceBean(BeanDefinitionHolder beanDefinitionHolder, Bean
         if (scanner.checkCandidate(beanName, serviceBeanDefinition)) { // check duplicated candidate bean
             registry.registerBeanDefinition(beanName, serviceBeanDefinition);
 
-            if (logger.isInfoEnabled()) {
+            if (logger.isWarnEnabled()) {
                 logger.warn("The BeanDefinition[" + serviceBeanDefinition +
                         "] of ServiceBean has been registered with name : " + beanName);
             }