diff --git a/src/main/java/org/redkale/inject/ResourceFactory.java b/src/main/java/org/redkale/inject/ResourceFactory.java
index 33e1d0fee..3643a644e 100644
--- a/src/main/java/org/redkale/inject/ResourceFactory.java
+++ b/src/main/java/org/redkale/inject/ResourceFactory.java
@@ -17,6 +17,7 @@ import java.util.function.*;
 import java.util.logging.*;
 import org.redkale.annotation.*;
 import org.redkale.convert.*;
+import org.redkale.convert.json.JsonConvert;
 import org.redkale.inject.spi.ResourceAnnotationProvider;
 import org.redkale.util.Creator;
 import org.redkale.util.RedkaleClassLoader;
@@ -806,6 +807,18 @@ public final class ResourceFactory {
         if (name == null) {
             return null;
         }
+        if (name.startsWith("${")) {
+            String subName = name.substring(2);
+            int pos = subName.lastIndexOf('}');
+            if (pos > 0) {
+                subName = subName.substring(0, pos);
+                pos = subName.indexOf(':');
+                if (pos > 0) {
+                    subName = subName.substring(0, pos);
+                }
+                name = subName;
+            }
+        }
         int pos = name.indexOf("{system.property.");
         if (pos < 0) {
             return (name.contains(Resource.PARENT_NAME) && parent != null) ? name.replace(Resource.PARENT_NAME, parent) : name;
@@ -821,6 +834,22 @@ public final class ResourceFactory {
         return getResourceName(parent, prefix + System.getProperty(property, "") + postfix);
     }
 
+    private static String getResourceDefaultValue(String parent, String name) {
+        if (name.startsWith("${")) {
+            String subName = name.substring(2);
+            int pos = subName.lastIndexOf('}');
+            if (pos > 0) {
+                subName = subName.substring(0, pos);
+                pos = subName.indexOf(':');
+                if (pos > 0) {
+                    String val = subName.substring(pos + 1);
+                    return "null".equals(val) ? null : val;
+                }
+            }
+        }
+        return null;
+    }
+
     private <T> boolean inject(String srcResourceName, Object srcObj, T attachment, BiConsumer<Object, Field> consumer, List<Object> list) {
         if (srcObj == null) {
             return false;
@@ -922,6 +951,7 @@ public final class ResourceFactory {
                     }
                     boolean autoRegNull = true;
                     final String rcname = getResourceName(srcResourceName, tname);
+                    final String defval = getResourceDefaultValue(srcResourceName, tname);
                     Object rs = null;
                     if (rcname.startsWith("system.property.")) {
                         rs = System.getProperty(rcname.substring("system.property.".length()));
@@ -1003,6 +1033,9 @@ public final class ResourceFactory {
                             rs = re.value;
                         }
                     }
+                    if (rs == null && defval != null) {
+                        rs = gencType == String.class ? defval : JsonConvert.root().convertFrom(gencType, defval);
+                    }
                     if (rs != null && !rs.getClass().isPrimitive() && (classType.isPrimitive()
                         || classType == Integer.class
                         || classType == Long.class || classType == Short.class
diff --git a/src/main/java/org/redkale/net/http/HttpRequest.java b/src/main/java/org/redkale/net/http/HttpRequest.java
index 55542258f..6b54fb8e5 100644
--- a/src/main/java/org/redkale/net/http/HttpRequest.java
+++ b/src/main/java/org/redkale/net/http/HttpRequest.java
@@ -13,6 +13,7 @@ import java.nio.charset.*;
 import java.util.*;
 import java.util.function.Supplier;
 import java.util.logging.Level;
+import org.redkale.annotation.ClassDepends;
 import org.redkale.annotation.Comment;
 import org.redkale.convert.*;
 import org.redkale.convert.json.JsonConvert;
@@ -20,7 +21,6 @@ import org.redkale.net.Request;
 import org.redkale.util.*;
 import static org.redkale.util.Utility.isEmpty;
 import static org.redkale.util.Utility.isNotEmpty;
-import org.redkale.annotation.ClassDepends;
 
 /**
  * Http请求包 与javax.servlet.http.HttpServletRequest 基本类似。  <br>
@@ -1547,7 +1547,8 @@ public class HttpRequest extends Request<HttpContext> {
             + (this.getHost() != null ? (", \r\n    host: " + this.host) : "")
             + (this.getContentLength() >= 0 ? (", \r\n    contentLength: " + this.contentLength) : "")
             + (this.array.length() > 0 ? (", \r\n    bodyLength: " + this.array.length()) : "")
-            + (this.boundary || this.array.isEmpty() ? "" : (", \r\n    bodyContent: " + (this.respConvertType == null || this.respConvertType == ConvertType.JSON ? this.getBodyUTF8() : Arrays.toString(getBody()))))
+            + (this.boundary || this.array.isEmpty() ? "" : (", \r\n    bodyContent: " 
+            + (this.respConvertType == null || this.respConvertType == ConvertType.JSON ? this.getBodyUTF8() : Arrays.toString(getBody()))))
             + ", \r\n    params: " + toMapString(this.params.map, 4)
             + ", \r\n    header: " + toMapString(this.headers.map, 4)
             + "\r\n}"; //this.headers.toString(4)
@@ -1583,7 +1584,7 @@ public class HttpRequest extends Request<HttpContext> {
         final InputStream in = newInputStream();
         return new MultiContext(context.getCharset(), this.getContentType(), this.params.map(),
             new BufferedInputStream(in, Math.max(array.length(), 8192)) {
-            {
+            { 
                 array.copyTo(this.buf);
                 this.count = array.length();
             }
diff --git a/src/test/java/org/redkale/test/inject/ResourceListenerTest.java b/src/test/java/org/redkale/test/inject/ResourceListenerTest.java
index f99e673aa..ab5a73bba 100644
--- a/src/test/java/org/redkale/test/inject/ResourceListenerTest.java
+++ b/src/test/java/org/redkale/test/inject/ResourceListenerTest.java
@@ -6,10 +6,10 @@ import java.util.Properties;
 import java.util.concurrent.atomic.AtomicInteger;
 import org.junit.jupiter.api.*;
 import org.redkale.annotation.Resource;
+import org.redkale.annotation.ResourceChanged;
 import org.redkale.inject.ResourceEvent;
 import org.redkale.inject.ResourceFactory;
 import org.redkale.util.*;
-import org.redkale.annotation.ResourceChanged;
 
 /**
  *
@@ -22,12 +22,12 @@ public class ResourceListenerTest {
     public static void main(String[] args) throws Throwable {
         ResourceListenerTest test = new ResourceListenerTest();
         test.main = true;
-        test.run();
+        test.run1();
+        test.run2();
     }
 
     @Test
-    public void run() throws Exception {
-        AtomicInteger aCounter = new AtomicInteger();
+    public void run1() throws Exception {
         Properties env = new Properties();
         env.put("property.id", "2345");
         ResourceFactory factory = ResourceFactory.create();
@@ -46,26 +46,35 @@ public class ResourceListenerTest {
         prop.put("property.name", "my name");
         factory.register(prop, "", Environment.class);
 
-        if (!main) {
-            Assertions.assertTrue(aservice.counter.get() == 1);
-            Assertions.assertTrue(bservice.counter.get() == 2);
-            Assertions.assertTrue(abservice.counter.get() == 2);
-        }
-                
+        Assertions.assertEquals("7890", aservice.id);
+        Assertions.assertTrue(aservice.counter.get() == 1);
+        Assertions.assertTrue(bservice.counter.get() == 2);
+        Assertions.assertTrue(abservice.counter.get() == 2);
+
         factory.register("property.id", "7777");
-        
-        if (!main) {
-            Assertions.assertTrue(aservice.counter.get() == 2);
-            Assertions.assertTrue(bservice.counter.get() == 2);
-            Assertions.assertTrue(abservice.counter.get() == 3);
-        }
+
+        Assertions.assertTrue(aservice.counter.get() == 2);
+        Assertions.assertTrue(bservice.counter.get() == 2);
+        Assertions.assertTrue(abservice.counter.get() == 3);
+    }
+
+    @Test
+    public void run2() throws Exception {
+        Properties env = new Properties();
+        ResourceFactory factory = ResourceFactory.create();
+        factory.register(new Environment(env));
+        AService aservice = new AService();
+        factory.inject(aservice);
+        Assertions.assertEquals("33", aservice.id);
+        factory.register("property.id", "7777");
+        Assertions.assertEquals("7777", aservice.id);
     }
 
     class AService {
 
         public final AtomicInteger counter = new AtomicInteger();
 
-        @Resource(name = "property.id", required = false)
+        @Resource(name = "${property.id:33}", required = false)
         private String id;
 
         @Resource(name = "property.desc", required = false)
diff --git a/src/test/java/org/redkale/test/inject/ResourceLoaderTest.java b/src/test/java/org/redkale/test/inject/ResourceLoaderTest.java
index da4981732..29478a818 100644
--- a/src/test/java/org/redkale/test/inject/ResourceLoaderTest.java
+++ b/src/test/java/org/redkale/test/inject/ResourceLoaderTest.java
@@ -13,11 +13,9 @@ import org.redkale.inject.ResourceFactory;
  */
 public class ResourceLoaderTest {
 
-    private boolean main;
 
     public static void main(String[] args) throws Throwable {
         ResourceLoaderTest test = new ResourceLoaderTest();
-        test.main = true;
         test.run();
     }
 
@@ -34,7 +32,7 @@ public class ResourceLoaderTest {
 
         ParentBean pb = new ParentBean();
         factory.inject(pb);
-        if (!main) Assertions.assertEquals(new Bean(1234, "my a name").toString(), pb.bean.toString());
+        Assertions.assertEquals(new Bean(1234, "my a name").toString(), pb.bean.toString());
         System.out.println(pb.bean);
     }