diff --git a/.gitignore b/.gitignore
index 0b05395d9..683fda389 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,6 +28,7 @@ hs_err_pid*
 /.idea/
 *.iml
 **/rebel.xml
+.gitmodules
 
 # Bin
 /target/
diff --git a/@rbv b/@rbv
new file mode 160000
index 000000000..cd5bd540b
--- /dev/null
+++ b/@rbv
@@ -0,0 +1 @@
+Subproject commit cd5bd540b8170a446c5961f6d7cb78115ec0ffbd
diff --git a/pom.xml b/pom.xml
index 9b40e2ac4..29817f3d4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -62,6 +62,54 @@
                     <workingDirectory>.deploy</workingDirectory>
                 </configuration>
             </plugin>
+            <!-- USE RB COMMERCIAL MODULES -->
+            <!--
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>build-helper-maven-plugin</artifactId>
+                <version>3.2.0</version>
+                <executions>
+                    <execution>
+                        <id>rbv-source</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>add-source</goal>
+                        </goals>
+                        <configuration>
+                            <sources>
+                                <source>${basedir}/@rbv/main/java</source>
+                            </sources>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>rbv-resource</id>
+                        <phase>generate-resources</phase>
+                        <goals>
+                            <goal>add-resource</goal>
+                        </goals>
+                        <configuration>
+                            <resources>
+                                <resource>
+                                    <directory>${basedir}/@rbv/main/resources</directory>
+                                </resource>
+                            </resources>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>rbv-test-source</id>
+                        <phase>generate-test-sources</phase>
+                        <goals>
+                            <goal>add-test-source</goal>
+                        </goals>
+                        <configuration>
+                            <sources>
+                                <source>${basedir}/@rbv/test/java</source>
+                            </sources>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            -->
             <!-- Codecov : `mvn cobertura:cobertura -DskipTests=false -Drbpass=PASSKEY` & `bash <(curl -s https://codecov.io/bash) -t TOKEN` -->
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
diff --git a/src/main/java/com/rebuild/core/Application.java b/src/main/java/com/rebuild/core/Application.java
index 42d2e2c90..2a545f043 100644
--- a/src/main/java/com/rebuild/core/Application.java
+++ b/src/main/java/com/rebuild/core/Application.java
@@ -8,6 +8,7 @@ See LICENSE and COMMERCIAL in the project root for license information.
 package com.rebuild.core;
 
 import cn.devezhao.commons.ObjectUtils;
+import cn.devezhao.commons.ReflectUtils;
 import cn.devezhao.commons.excel.Cell;
 import cn.devezhao.persist4j.PersistManagerFactory;
 import cn.devezhao.persist4j.Query;
@@ -92,7 +93,9 @@ public class Application implements ApplicationListener<ApplicationStartedEvent>
     // 服务启动状态
     private static boolean _READY;
     // 等待系统组件装载
-    private static boolean _WAIT_LOADS = true;
+    private static boolean _WAITLOADS = true;
+    // 增值模块
+    private static boolean _RBV;
 
     // SPRING
     private static ApplicationContext _CONTEXT;
@@ -148,7 +151,7 @@ public class Application implements ApplicationListener<ApplicationStartedEvent>
                 }
             }
 
-            _WAIT_LOADS = false;
+            _WAITLOADS = false;
         }
     }
 
@@ -167,6 +170,13 @@ public class Application implements ApplicationListener<ApplicationStartedEvent>
             return false;
         }
 
+        try {
+            Object RBV = ReflectUtils.classForName("com.rebuild.Rbv").newInstance();
+            LOG.info("Loaded " + RBV);
+            _RBV = true;
+        } catch (Exception ignore) {
+        }
+
         // 升级数据库
         new UpgradeDatabase().upgradeQuietly();
 
@@ -215,6 +225,14 @@ public class Application implements ApplicationListener<ApplicationStartedEvent>
         return BootApplication.devMode();
     }
 
+    /**
+     * RBV 可用
+     * @return
+     */
+    public static boolean rbvLoaded() {
+        return License.getCommercialType() > 0 && _RBV;
+    }
+
     /**
      * 已启动（不含组件装载）
      * @return
@@ -228,7 +246,7 @@ public class Application implements ApplicationListener<ApplicationStartedEvent>
      * @return
      */
     public static boolean isWaitLoads() {
-        return _WAIT_LOADS && _CONTEXT != null;
+        return _WAITLOADS && _CONTEXT != null;
     }
 
     public static ApplicationContext getContext() {