diff --git a/src/main/java/org/redkale/source/AbstractCacheSource.java b/src/main/java/org/redkale/source/AbstractCacheSource.java
index 66ff6f84b..726ddbf39 100644
--- a/src/main/java/org/redkale/source/AbstractCacheSource.java
+++ b/src/main/java/org/redkale/source/AbstractCacheSource.java
@@ -18,7 +18,7 @@ import org.redkale.util.*;
 @AutoLoad(false)
 @SuppressWarnings("unchecked")
 @ResourceType(CacheSource.class)
-public abstract class AbstractCacheSource extends AbstractService implements CacheSource, AutoCloseable, Resourcable {
+public abstract class AbstractCacheSource extends AbstractService implements CacheSource, AutoCloseable, Resourcable, SourceChangeable {
 
     //@since 2.7.0
     public static final String CACHE_SOURCE_URL = "url";
diff --git a/src/main/java/org/redkale/source/AbstractDataSource.java b/src/main/java/org/redkale/source/AbstractDataSource.java
index 19658fcb5..1eb032e42 100644
--- a/src/main/java/org/redkale/source/AbstractDataSource.java
+++ b/src/main/java/org/redkale/source/AbstractDataSource.java
@@ -30,7 +30,7 @@ import org.redkale.util.*;
 @AutoLoad(false)
 @SuppressWarnings("unchecked")
 @ResourceType(DataSource.class)
-public abstract class AbstractDataSource extends AbstractService implements DataSource, AutoCloseable, Resourcable {
+public abstract class AbstractDataSource extends AbstractService implements DataSource, AutoCloseable, Resourcable, SourceChangeable {
 
     //@since 2.7.0 格式: x.x.x.x:yyyy
     public static final String DATA_SOURCE_PROXY_ADDRESS = "proxy-address";
diff --git a/src/main/java/org/redkale/source/CacheMemorySource.java b/src/main/java/org/redkale/source/CacheMemorySource.java
index ff3faf97d..983aae9b8 100644
--- a/src/main/java/org/redkale/source/CacheMemorySource.java
+++ b/src/main/java/org/redkale/source/CacheMemorySource.java
@@ -62,6 +62,10 @@ public final class CacheMemorySource extends AbstractCacheSource {
         return "memory";
     }
 
+    @Override
+    public void onChange(ResourceEvent[] events) {
+    }
+
     public static boolean acceptsConf(AnyValue config) {
         return config.getValue(CACHE_SOURCE_URL).startsWith("memory:");
     }
diff --git a/src/main/java/org/redkale/source/DataJdbcSource.java b/src/main/java/org/redkale/source/DataJdbcSource.java
index 4f6d1bc4a..2408a20fa 100644
--- a/src/main/java/org/redkale/source/DataJdbcSource.java
+++ b/src/main/java/org/redkale/source/DataJdbcSource.java
@@ -48,6 +48,11 @@ public class DataJdbcSource extends DataSqlSource {
         }
     }
 
+    @Override
+    public void onChange(ResourceEvent[] events) {
+        
+    }
+
     @Override
     public void destroy(AnyValue config) {
         if (readPool != null) readPool.close();
@@ -1079,7 +1084,7 @@ public class DataJdbcSource extends DataSqlSource {
         };
     }
 
-    protected class ConnectionPool implements AutoCloseable {
+    protected class ConnectionPool implements AutoCloseable, SourceChangeable {
 
         protected final LongAdder closeCounter = new LongAdder(); //已关闭连接数
 
@@ -1095,7 +1100,7 @@ public class DataJdbcSource extends DataSqlSource {
 
         protected final Properties connectAttrs;
 
-        protected final ArrayBlockingQueue<Connection> queue;
+        protected ArrayBlockingQueue<Connection> queue;
 
         protected int connectTimeoutSeconds;
 
@@ -1120,6 +1125,23 @@ public class DataJdbcSource extends DataSqlSource {
             }
         }
 
+        @Override
+        public void onChange(ResourceEvent[] events) {
+            for (ResourceEvent event : events) {
+                if (event.name().equals(DATA_SOURCE_CONNECTTIMEOUT_SECONDS) || event.name().endsWith("." + DATA_SOURCE_CONNECTTIMEOUT_SECONDS)) {
+                    this.connectTimeoutSeconds = Integer.decode(event.newValue().toString());
+                } else if (event.name().equals(DATA_SOURCE_URL) || event.name().endsWith("." + DATA_SOURCE_URL)) {
+                    this.url = event.newValue().toString();
+                } else if (event.name().equals(DATA_SOURCE_USER) || event.name().endsWith("." + DATA_SOURCE_USER)) {
+                    this.connectAttrs.put("user", event.newValue().toString());
+                } else if (event.name().equals(DATA_SOURCE_PASSWORD) || event.name().endsWith("." + DATA_SOURCE_PASSWORD)) {
+                    this.connectAttrs.put("password", event.newValue().toString());
+                } else if (event.name().equals(DATA_SOURCE_MAXCONNS) || event.name().endsWith("." + DATA_SOURCE_MAXCONNS)) {
+                    logger.log(Level.WARNING, event.name() + " (new-value: " + event.newValue() + ") will not take effect");
+                }
+            }
+        }
+
         public synchronized Connection pollConnection() {
             Connection conn = queue.poll();
             if (conn == null) {
diff --git a/src/main/java/org/redkale/source/DataMemorySource.java b/src/main/java/org/redkale/source/DataMemorySource.java
index 6308c3aed..3bd17cb4c 100644
--- a/src/main/java/org/redkale/source/DataMemorySource.java
+++ b/src/main/java/org/redkale/source/DataMemorySource.java
@@ -43,6 +43,10 @@ public class DataMemorySource extends DataSqlSource implements SearchSource {
         return "memory";
     }
 
+    @Override
+    public void onChange(ResourceEvent[] events) {
+    }
+
     public static boolean acceptsConf(AnyValue config) {
         return config.getValue(DATA_SOURCE_URL).startsWith("memory:");
     }
@@ -56,8 +60,8 @@ public class DataMemorySource extends DataSqlSource implements SearchSource {
         return getClass().getSimpleName() + "{type=memory, name='" + resourceName() + "'}";
     }
 
-    @Override
     @Local
+    @Override
     public <T> void compile(Class<T> clazz) {
         EntityInfo entityInfo = EntityInfo.compile(clazz, this);
         if (entityInfo.getCache() == null) new EntityCache<>(entityInfo, null).clear();
diff --git a/src/main/java/org/redkale/source/DataSqlSource.java b/src/main/java/org/redkale/source/DataSqlSource.java
index 80969310f..be03648f2 100644
--- a/src/main/java/org/redkale/source/DataSqlSource.java
+++ b/src/main/java/org/redkale/source/DataSqlSource.java
@@ -150,6 +150,10 @@ public abstract class DataSqlSource extends AbstractDataSource implements Functi
         }
     }
 
+    @Override
+    public void onChange(ResourceEvent[] events) {
+    }
+
     @Override
     public String toString() {
         if (readConfProps == null) return getClass().getSimpleName() + "{}"; //compileMode模式下会为null
diff --git a/src/main/java/org/redkale/source/SourceChangeable.java b/src/main/java/org/redkale/source/SourceChangeable.java
new file mode 100644
index 000000000..aa56aaaac
--- /dev/null
+++ b/src/main/java/org/redkale/source/SourceChangeable.java
@@ -0,0 +1,22 @@
+/*
+ *
+ */
+package org.redkale.source;
+
+import org.redkale.util.ResourceEvent;
+
+/**
+ * 资源变更回调接口
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ *
+ * @since 2.8.0
+ */
+public interface SourceChangeable {
+
+    public void onChange(ResourceEvent[] events);
+
+}