diff --git a/src/main/java/me/hatter/tools/tinyencrypt/TinyEncryptMain.java b/src/main/java/me/hatter/tools/tinyencrypt/TinyEncryptMain.java
index 2b734b2..42865f0 100644
--- a/src/main/java/me/hatter/tools/tinyencrypt/TinyEncryptMain.java
+++ b/src/main/java/me/hatter/tools/tinyencrypt/TinyEncryptMain.java
@@ -199,7 +199,7 @@ public class TinyEncryptMain {
                             if ((clearTextFile != null) && clearTextFile.exists()) {
                                 Bytes clearTextSha256 = RFile.from(clearTextFile).digest(Digests.sha256());
                                 if (clearTextSha256.equals(sha256)) {
-                                    log.info("Clear text file exists, and matches.");
+                                    log.info("Clear text file exists, and MATCHES.");
                                 } else {
                                     String nfn = f.toString();
                                     log.warn(clearTextSha256.asHex() + "  - " + nfn.substring(0, nfn.length() - TinyEncryptConstant.ENC_FILE_EXT.length()));
diff --git a/src/main/java/me/hatter/tools/tinyencrypt/config/TinyEncryptConstant.java b/src/main/java/me/hatter/tools/tinyencrypt/config/TinyEncryptConstant.java
index 09d3da7..b749fae 100644
--- a/src/main/java/me/hatter/tools/tinyencrypt/config/TinyEncryptConstant.java
+++ b/src/main/java/me/hatter/tools/tinyencrypt/config/TinyEncryptConstant.java
@@ -1,7 +1,7 @@
 package me.hatter.tools.tinyencrypt.config;
 
 public class TinyEncryptConstant {
-    public static final String VERSION = "0.3.5";
+    public static final String VERSION = "0.3.6";
 
     public static final String ENC_FILE_EXT = ".tinyenc";
 }
diff --git a/src/main/java/me/hatter/tools/tinyencrypt/encrypt/EncryptedFileUtil.java b/src/main/java/me/hatter/tools/tinyencrypt/encrypt/EncryptedFileUtil.java
index 40644bc..a58fe13 100644
--- a/src/main/java/me/hatter/tools/tinyencrypt/encrypt/EncryptedFileUtil.java
+++ b/src/main/java/me/hatter/tools/tinyencrypt/encrypt/EncryptedFileUtil.java
@@ -26,6 +26,10 @@ public class EncryptedFileUtil {
     private static final LogTool log = LogTools.getLogTool(EncryptedFileUtil.class);
 
     public static boolean decryptToOutputStream(TinyEncryptConfig config, File file, OutputStream os) {
+        if (getDecryptFile(file) == null) {
+            log.warn("File is not tinyenc file, skip: " + file);
+            return false;
+        }
         try {
             try (FileInputStream fis = new FileInputStream(file)) {
                 Tlv tlv = TlvUtil.readTlv(fis);