diff --git a/src/main/java/org/redkale/boot/PropertiesAgent.java b/src/main/java/org/redkale/boot/PropertiesAgent.java
index 7f6cc3d06..aa5379877 100644
--- a/src/main/java/org/redkale/boot/PropertiesAgent.java
+++ b/src/main/java/org/redkale/boot/PropertiesAgent.java
@@ -23,14 +23,31 @@ public abstract class PropertiesAgent {
 
     public static final String PROP_NAMESPACE_APPLICATION = "application";
 
+    /**
+     * 编译时进行的操作
+     *
+     * @param conf 节点配置
+     */
     public void compile(AnyValue conf) {
     }
 
+    /**
+     * 初始化配置源，配置项需要写入appProperties，并监听配置项的变化
+     *
+     * @param factory       依赖注入资源工厂
+     * @param appProperties 全局property.开头的配置项
+     * @param conf          节点配置
+     */
     public abstract void init(ResourceFactory factory, Properties appProperties, AnyValue conf);
 
+    /**
+     * 销毁动作
+     *
+     * @param conf 节点配置
+     */
     public abstract void destroy(AnyValue conf);
 
     protected String getKeyResourceName(String key) {
-        return key.startsWith("property.") ? key : ("property." + key);
+        return key.startsWith("system.property.") || key.startsWith("property.") ? key : ("property." + key);
     }
 }
diff --git a/src/main/java/org/redkale/util/ResourceFactory.java b/src/main/java/org/redkale/util/ResourceFactory.java
index 56b8850f7..83ee1262f 100644
--- a/src/main/java/org/redkale/util/ResourceFactory.java
+++ b/src/main/java/org/redkale/util/ResourceFactory.java
@@ -839,6 +839,7 @@ public final class ResourceFactory {
             this.elements = new CopyOnWriteArrayList<>();
         }
 
+        //wrappers=null时才会触发listener的ResourceChangeEvent事件
         public ResourceEntry(final String name, T value, final List<ResourceElement> elements, List<ResourceChangeWrapper> wrappers, boolean sync) {
             this.name = name;
             this.value = value;