diff --git a/apm-collector/apm-collector-core/src/main/java/org/skywalking/apm/collector/core/module/ModuleConfigLoader.java b/apm-collector/apm-collector-core/src/main/java/org/skywalking/apm/collector/core/module/ModuleConfigLoader.java
index afda1299f..42238dc84 100644
--- a/apm-collector/apm-collector-core/src/main/java/org/skywalking/apm/collector/core/module/ModuleConfigLoader.java
+++ b/apm-collector/apm-collector-core/src/main/java/org/skywalking/apm/collector/core/module/ModuleConfigLoader.java
@@ -19,7 +19,7 @@
 package org.skywalking.apm.collector.core.module;
 
 import java.io.FileNotFoundException;
-import java.io.FileReader;
+import java.io.Reader;
 import java.util.Map;
 import org.skywalking.apm.collector.core.config.ConfigLoader;
 import org.skywalking.apm.collector.core.framework.DefineException;
@@ -39,8 +39,8 @@ public class ModuleConfigLoader implements ConfigLoader<Map<String, Map>> {
         Yaml yaml = new Yaml();
         try {
             try {
-                FileReader applicationFileReader = ResourceUtils.read("application.yml");
-                return (Map<String, Map>)yaml.load(applicationFileReader);
+                Reader applicationReader = ResourceUtils.read("application.yml");
+                return (Map<String, Map>)yaml.load(applicationReader);
             } catch (FileNotFoundException e) {
                 logger.info("Could not found application.yml file, use default");
                 return (Map<String, Map>)yaml.load(ResourceUtils.read("application-default.yml"));
diff --git a/apm-collector/apm-collector-core/src/main/java/org/skywalking/apm/collector/core/util/ResourceUtils.java b/apm-collector/apm-collector-core/src/main/java/org/skywalking/apm/collector/core/util/ResourceUtils.java
index 3c86ac494..0ec0f83a4 100644
--- a/apm-collector/apm-collector-core/src/main/java/org/skywalking/apm/collector/core/util/ResourceUtils.java
+++ b/apm-collector/apm-collector-core/src/main/java/org/skywalking/apm/collector/core/util/ResourceUtils.java
@@ -18,9 +18,10 @@
 
 package org.skywalking.apm.collector.core.util;
 
-import java.io.File;
 import java.io.FileNotFoundException;
-import java.io.FileReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
 import java.net.URL;
 
 /**
@@ -28,12 +29,12 @@ import java.net.URL;
  */
 public class ResourceUtils {
 
-    public static FileReader read(String fileName) throws FileNotFoundException {
+    public static Reader read(String fileName) throws FileNotFoundException {
         URL url = ResourceUtils.class.getClassLoader().getResource(fileName);
         if (url == null) {
             throw new FileNotFoundException("file not found: " + fileName);
         }
-        File file = new File(ResourceUtils.class.getClassLoader().getResource(fileName).getFile());
-        return new FileReader(file);
+        InputStream inputStream = ResourceUtils.class.getClassLoader().getResourceAsStream(fileName);
+        return new InputStreamReader(inputStream);
     }
 }
diff --git a/apm-collector/apm-collector-core/src/test/java/org/skywalking/apm/collector/core/module/ModuleConfigLoaderTestCase.java b/apm-collector/apm-collector-core/src/test/java/org/skywalking/apm/collector/core/module/ModuleConfigLoaderTestCase.java
new file mode 100644
index 000000000..546e39dcd
--- /dev/null
+++ b/apm-collector/apm-collector-core/src/test/java/org/skywalking/apm/collector/core/module/ModuleConfigLoaderTestCase.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2017, OpenSkywalking Organization All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Project repository: https://github.com/OpenSkywalking/skywalking
+ */
+
+package org.skywalking.apm.collector.core.module;
+
+import java.util.Map;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.skywalking.apm.collector.core.framework.DefineException;
+
+/**
+ * @author neeuq
+ */
+public class ModuleConfigLoaderTestCase {
+
+    @SuppressWarnings({ "rawtypes" })
+    @Test
+    public void testLoad() throws DefineException {
+        ModuleConfigLoader configLoader = new ModuleConfigLoader();
+        Map<String, Map> configuration = configLoader.load();
+        Assert.assertNotNull(configuration.get("cluster"));
+        Assert.assertNotNull(configuration.get("cluster").get("zookeeper"));
+    }
+}
diff --git a/apm-collector/apm-collector-core/src/test/java/org/skywalking/apm/collector/core/utils/ResourceUtilsTestCase.java b/apm-collector/apm-collector-core/src/test/java/org/skywalking/apm/collector/core/utils/ResourceUtilsTestCase.java
new file mode 100644
index 000000000..851050c11
--- /dev/null
+++ b/apm-collector/apm-collector-core/src/test/java/org/skywalking/apm/collector/core/utils/ResourceUtilsTestCase.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2017, OpenSkywalking Organization All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Project repository: https://github.com/OpenSkywalking/skywalking
+ */
+
+package org.skywalking.apm.collector.core.utils;
+
+import java.io.IOException;
+import java.io.Reader;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.skywalking.apm.collector.core.util.ResourceUtils;
+
+/**
+ * @author neeuq
+ */
+public class ResourceUtilsTestCase {
+
+    @Test
+    public void testRead() throws IOException {
+        Reader reader = ResourceUtils.read("application.yml");
+        Assert.assertNotNull(reader);
+        reader.close();
+    }
+
+}