diff --git a/common/src/main/java/org/tron/core/config/Configuration.java b/common/src/main/java/org/tron/core/config/Configuration.java
index 80735290b8..a36c982547 100644
--- a/common/src/main/java/org/tron/core/config/Configuration.java
+++ b/common/src/main/java/org/tron/core/config/Configuration.java
@@ -50,7 +50,7 @@ private static void resolveConfigFile(String fileName, File confFile) {
     if (confFile.exists()) {
       config = ConfigFactory.parseFile(confFile)
           .withFallback(ConfigFactory.defaultReference());
-    } else if (Thread.currentThread().getContextClassLoader().getResourceAsStream(fileName)
+    } else if (Thread.currentThread().getContextClassLoader().getResource(fileName)
         != null) {
       config = ConfigFactory.load(fileName);
     } else {
@@ -59,4 +59,3 @@ private static void resolveConfigFile(String fileName, File confFile) {
     }
   }
 }
-
diff --git a/framework/src/main/java/org/tron/core/config/args/Args.java b/framework/src/main/java/org/tron/core/config/args/Args.java
index 0bca242606..0457dcb0dc 100644
--- a/framework/src/main/java/org/tron/core/config/args/Args.java
+++ b/framework/src/main/java/org/tron/core/config/args/Args.java
@@ -1186,9 +1186,8 @@ public String getOutputDirectory() {
   private static void printVersion() {
     Properties properties = new Properties();
     boolean noGitProperties = true;
-    try {
-      InputStream in = Thread.currentThread()
-          .getContextClassLoader().getResourceAsStream("git.properties");
+    try (InputStream in = Thread.currentThread()
+          .getContextClassLoader().getResourceAsStream("git.properties")) {
       if (in != null) {
         noGitProperties = false;
         properties.load(in);
@@ -1276,9 +1275,8 @@ public static String upperFirst(String name) {
 
   private static String getCommitIdAbbrev() {
     Properties properties = new Properties();
-    try {
-      InputStream in = Thread.currentThread()
-          .getContextClassLoader().getResourceAsStream("git.properties");
+    try (InputStream in = Thread.currentThread()
+          .getContextClassLoader().getResourceAsStream("git.properties")) {
       if (in == null) {
         logger.warn("git.properties not found on classpath");
         return "";
@@ -1315,4 +1313,3 @@ private static Map<String, String[]> getOptionGroup() {
     return optionGroupMap;
   }
 }
-
diff --git a/framework/src/main/java/org/tron/core/zen/ZksnarkInitService.java b/framework/src/main/java/org/tron/core/zen/ZksnarkInitService.java
index dfc4b42883..e0748e99f3 100644
--- a/framework/src/main/java/org/tron/core/zen/ZksnarkInitService.java
+++ b/framework/src/main/java/org/tron/core/zen/ZksnarkInitService.java
@@ -57,11 +57,14 @@ public static void librustzcashInitZksnarkParams() {
   }
 
   private static String getParamsFile(String fileName) {
-    InputStream in = Thread.currentThread().getContextClassLoader()
-        .getResourceAsStream("params" + File.separator + fileName);
+    String resourcePath = "params" + File.separator + fileName;
     File fileOut = new File(System.getProperty("java.io.tmpdir")
         + File.separator + fileName + "." + System.currentTimeMillis());
-    try {
+    try (InputStream in = Thread.currentThread().getContextClassLoader()
+        .getResourceAsStream(resourcePath)) {
+      if (in == null) {
+        throw new IllegalStateException("Resource not found: " + resourcePath);
+      }
       FileUtils.copyToFile(in, fileOut);
     } catch (IOException e) {
       logger.error(e.getMessage(), e);