diff --git a/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/context/event/config/EventPublishingConfigService.java b/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/context/event/config/EventPublishingConfigService.java
index 7e86d4a6..7354441f 100644
--- a/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/context/event/config/EventPublishingConfigService.java
+++ b/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/context/event/config/EventPublishingConfigService.java
@@ -82,12 +82,13 @@ public String getConfigAndSignListener(String dataId, String group, long timeout
     public void addListener(String dataId, String group, String type, Listener listener) throws NacosException {
         Listener listenerAdapter = new DelegatingEventPublishingListener(configService, dataId, group, type, applicationEventPublisher, executor, listener);
         addListener(dataId, group, listenerAdapter);
-        publishEvent(new NacosConfigListenerRegisteredEvent(configService, dataId, group, listenerAdapter, true));
     }
 
     @Override
     public void addListener(String dataId, String group, Listener listener) throws NacosException {
         configService.addListener(dataId, group, listener);
+        publishEvent(new NacosConfigListenerRegisteredEvent(configService, dataId, group, listener, true));
+
     }
 
     @Override
diff --git a/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/context/properties/config/NacosConfigurationPropertiesBinder.java b/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/context/properties/config/NacosConfigurationPropertiesBinder.java
index e5a9e055..22214995 100644
--- a/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/context/properties/config/NacosConfigurationPropertiesBinder.java
+++ b/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/context/properties/config/NacosConfigurationPropertiesBinder.java
@@ -116,7 +116,7 @@ public void receiveConfigInfo(String config) {
                     doBind(bean, beanName, dataId, groupId, properties, config, configService);
                 }
             };
-            try {
+            try {//
                 if (configService instanceof EventPublishingConfigService) {
                     ((EventPublishingConfigService) configService).addListener(dataId, groupId, type, listener);
                 } else {
diff --git a/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/util/ConfigParseUtils.java b/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/util/ConfigParseUtils.java
index 9ee202bd..42323e68 100644
--- a/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/util/ConfigParseUtils.java
+++ b/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/util/ConfigParseUtils.java
@@ -116,7 +116,7 @@ static Properties toProperties(final String dataId, final String group, final St
                 properties.putAll(configParse.parse(context));
                 return properties;
             } else {
-                throw new UnsupportedOperationException("Parsing is not yet supported for this type profile");
+                throw new UnsupportedOperationException("Parsing is not yet supported for this type profile : " + type);
             }
         }
     }
diff --git a/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/util/NacosUtils.java b/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/util/NacosUtils.java
index 240a5bcc..082f1895 100644
--- a/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/util/NacosUtils.java
+++ b/nacos-spring-context/src/main/java/com/alibaba/nacos/spring/util/NacosUtils.java
@@ -319,6 +319,7 @@ private static void bindContainer(String prefix, String fieldName, Properties co
             String name = StringUtils.isEmpty(prefix) ? s : s.replace(prefix + ".", "");
             String value = configProperties.getProperty(s);
             if (configProperties.containsKey(fieldName)) {
+                // for example: list=1,2,3,4,5 will be into here
                 bindContainer(prefix, fieldName, listToProperties(fieldName, configProperties.getProperty(fieldName)), propertyValues);
             }
             else if (pattern1.matcher(s).find()) {
@@ -333,6 +334,13 @@ else if (pattern1.matcher(s).find()) {
         }
     }
 
+    /**
+     * convert list=1,2,3,4 to list[0]=1, list[1]=2, list[2]=3, list[3]=4
+     *
+     * @param fieldName fieldName
+     * @param content content
+     * @return {@link Properties}
+     */
     private static Properties listToProperties(String fieldName, String content) {
         String[] splits = content.split(",");
         int index = 0;