diff --git a/core/src/main/java/com/taobao/arthas/core/server/ArthasBootstrap.java b/core/src/main/java/com/taobao/arthas/core/server/ArthasBootstrap.java
index afe556748..2ffd72bac 100644
--- a/core/src/main/java/com/taobao/arthas/core/server/ArthasBootstrap.java
+++ b/core/src/main/java/com/taobao/arthas/core/server/ArthasBootstrap.java
@@ -292,24 +292,25 @@ public class ArthasBootstrap {
         return ARTHAS_HOME;
     }
 
+    static String reslove(ArthasEnvironment arthasEnvironment, String key, String defaultValue) {
+        String value = arthasEnvironment.getProperty(key);
+        if (value == null) {
+            return defaultValue;
+        }
+        return arthasEnvironment.resolvePlaceholders(value);
+    }
+
     // try to load arthas.properties
     private void tryToLoadArthasProperties() throws IOException {
         this.arthasEnvironment.resolvePlaceholders(CONFIG_LOCATION_PROPERTY);
 
-        String location = null;
-
-        if (arthasEnvironment.containsProperty(CONFIG_LOCATION_PROPERTY)) {
-            location = arthasEnvironment.resolvePlaceholders(arthasEnvironment.getProperty(CONFIG_LOCATION_PROPERTY));
-        }
+        String location = reslove(arthasEnvironment, CONFIG_LOCATION_PROPERTY, null);
 
         if (location == null) {
             location = arthasHome();
         }
 
-        String configName = "arthas";
-        if (arthasEnvironment.containsProperty(CONFIG_NAME_PROPERTY)) {
-            configName = arthasEnvironment.resolvePlaceholders(arthasEnvironment.getProperty(CONFIG_NAME_PROPERTY));
-        }
+        String configName = reslove(arthasEnvironment, CONFIG_NAME_PROPERTY, "arthas");
 
         if (location != null) {
             if (!location.endsWith(".properties")) {
diff --git a/core/src/test/java/com/taobao/arthas/core/server/ArthasBootstrapTest.java b/core/src/test/java/com/taobao/arthas/core/server/ArthasBootstrapTest.java
index 9c1e159ae..93ea81f27 100644
--- a/core/src/test/java/com/taobao/arthas/core/server/ArthasBootstrapTest.java
+++ b/core/src/test/java/com/taobao/arthas/core/server/ArthasBootstrapTest.java
@@ -13,6 +13,7 @@ import org.mockito.internal.util.reflection.FieldSetter;
 import com.taobao.arthas.common.JavaVersionUtils;
 import com.taobao.arthas.core.bytecode.TestHelper;
 import com.taobao.arthas.core.config.Configure;
+import com.taobao.arthas.core.env.ArthasEnvironment;
 
 import net.bytebuddy.agent.ByteBuddyAgent;
 
@@ -60,4 +61,43 @@ public class ArthasBootstrapTest {
         System.err.println(loadClass);
 
     }
+
+    @Test
+    public void testConfigLocationNull() throws Exception {
+        ArthasEnvironment arthasEnvironment = new ArthasEnvironment();
+        String location = ArthasBootstrap.reslove(arthasEnvironment, ArthasBootstrap.CONFIG_LOCATION_PROPERTY, null);
+        assertThat(location).isEqualTo(null);
+    }
+
+    @Test
+    public void testConfigLocation() throws Exception {
+        ArthasEnvironment arthasEnvironment = new ArthasEnvironment();
+
+        System.setProperty("hhhh", "fff");
+        System.setProperty(ArthasBootstrap.CONFIG_LOCATION_PROPERTY, "test${hhhh}");
+
+        String location = ArthasBootstrap.reslove(arthasEnvironment, ArthasBootstrap.CONFIG_LOCATION_PROPERTY, null);
+        System.clearProperty("hhhh");
+        System.clearProperty(ArthasBootstrap.CONFIG_LOCATION_PROPERTY);
+
+        assertThat(location).isEqualTo("test" + "fff");
+    }
+
+    @Test
+    public void testConfigNameDefault() throws Exception {
+        ArthasEnvironment arthasEnvironment = new ArthasEnvironment();
+
+        String configName = ArthasBootstrap.reslove(arthasEnvironment, ArthasBootstrap.CONFIG_NAME_PROPERTY, "arthas");
+        assertThat(configName).isEqualTo("arthas");
+    }
+
+    @Test
+    public void testConfigName() throws Exception {
+        ArthasEnvironment arthasEnvironment = new ArthasEnvironment();
+
+        System.setProperty(ArthasBootstrap.CONFIG_NAME_PROPERTY, "testName");
+        String configName = ArthasBootstrap.reslove(arthasEnvironment, ArthasBootstrap.CONFIG_NAME_PROPERTY, "arthas");
+        System.clearProperty(ArthasBootstrap.CONFIG_NAME_PROPERTY);
+        assertThat(configName).isEqualTo("testName");
+    }
 }