diff --git a/appPublic/rsawrap.py b/appPublic/rsawrap.py
index 9e030a1..bf6f2d9 100644
--- a/appPublic/rsawrap.py
+++ b/appPublic/rsawrap.py
@@ -13,7 +13,7 @@ class RSA:
 
 	def publickeyText(self,public_key):
 		bd = public_key.save_pkcs1()
-		return bd.encode(self.coding)
+		return bd.decode(self.coding)
 
 	def write_publickey(self,public_key,fname):
 		bd = public_key.save_pkcs1()
diff --git a/appPublic/version.py b/appPublic/version.py
index 51b1082..a6cddf9 100644
--- a/appPublic/version.py
+++ b/appPublic/version.py
@@ -3,6 +3,8 @@
 # add country name Chinese English convert functions
 # __version__ = '5.1.13'
 # replace cryptography with rsa module, because ONLY using rsa modulde in cryptography and cryptography not easy to compile for ios
-__version__ = '5.1.14'
+# __version__ = '5.1.14'
 # keep 5.1.14 version's change
-__version__ = '5.1.15'
+# __version__ = '5.1.15'
+# keep 5.1.14 version's change
+__version__ = '5.1.16'