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 0d0a925..960a986 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 = "0.7.1";
+    public static final String VERSION = "0.7.2";
 
     public static final String ENC_FILE_EXT = ".tinyenc";
 }
diff --git a/src/main/java/me/hatter/tools/tinyencrypt/encrypt/TinyEncryptMetaUtil.java b/src/main/java/me/hatter/tools/tinyencrypt/encrypt/TinyEncryptMetaUtil.java
index 8dc7eb7..98a47a5 100644
--- a/src/main/java/me/hatter/tools/tinyencrypt/encrypt/TinyEncryptMetaUtil.java
+++ b/src/main/java/me/hatter/tools/tinyencrypt/encrypt/TinyEncryptMetaUtil.java
@@ -101,11 +101,11 @@ public class TinyEncryptMetaUtil {
             requireLocalPrivateKeyPem(config);
             privateKey = KeyUtil.parsePrivateKeyPEM(config.getLocalPrivateKeyPem());
         }
-        PublicKey publicKey = KeyUtil.parsePublicKeyPEM(config.getLocalPublicKeyPem());
 
         byte[] dataKey;
         String envelop = null;
         if (useEnvelop) {
+            PublicKey publicKey = KeyUtil.parsePublicKeyPEM(config.getLocalPublicKeyPem());
             JSONObject responseObject = fetchJwkEnvelop(config, keyName, privateKey, publicKey);
             JSONObject responseData = responseObject.getJSONObject("data");