diff --git a/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/context/DubboContextPostProcessor.java b/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/context/DubboContextPostProcessor.java
index 9c1372aa17..257d0fc0b5 100644
--- a/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/context/DubboContextPostProcessor.java
+++ b/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/context/DubboContextPostProcessor.java
@@ -23,6 +23,7 @@ import org.apache.dubbo.config.spring.util.DubboBeanUtils;
 import org.apache.dubbo.config.spring.util.EnvironmentUtils;
 import org.apache.dubbo.rpc.model.ApplicationModel;
 import org.apache.dubbo.rpc.model.ModuleModel;
+
 import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
 import org.springframework.beans.factory.support.BeanDefinitionRegistry;
@@ -59,7 +60,7 @@ public class DubboContextPostProcessor implements BeanDefinitionRegistryPostProc
         // Extract dubbo props from Spring env and put them to app config
         ConfigurableEnvironment environment = (ConfigurableEnvironment) applicationContext.getEnvironment();
         SortedMap<String, String> dubboProperties = EnvironmentUtils.filterDubboProperties(environment);
-        applicationModel.getModelEnvironment().setAppConfigMap(dubboProperties);
+        applicationModel.getModelEnvironment().getAppConfigMap().putAll(dubboProperties);
 
         // register ConfigManager singleton
         beanFactory.registerSingleton(ConfigManager.BEAN_NAME, applicationModel.getApplicationConfigManager());