diff --git a/Ifish/airkiss/JMAirKissEncoder.m b/Ifish/airkiss/JMAirKissEncoder.m
index 9442c2e..8c9d0fb 100644
--- a/Ifish/airkiss/JMAirKissEncoder.m
+++ b/Ifish/airkiss/JMAirKissEncoder.m
@@ -7,6 +7,7 @@
 //
 
 #import "JMAirKissEncoder.h"
+#import "ESP_CRC8.h"
 
 #define kRandomChar  arc4random() % 127
 
@@ -96,6 +97,8 @@
     Byte bytes[numberOfBytes];
     NSRange range = NSMakeRange(0, numberOfBytes);
     [ssid getBytes:bytes maxLength:numberOfBytes usedLength:nil encoding:NSUTF8StringEncoding options:0 range:range remainingRange:NULL];
+    NSData *ssidData = [[NSData alloc]initWithBytes:bytes length:numberOfBytes];
+    [ssidData getBytes:bytes length:[ssidData length]];
     UInt8 length       = numberOfBytes + password.length + 1;
     UInt8 magicCode[4] = {0x00,0x00,0x00,0x00};
     magicCode[0]       = 0x00 | (length >> 4 & 0xF);
@@ -107,7 +110,12 @@
     magicCode[1]        = 0x10 | (length & 0xF);
 
     UInt8 *cipherBuffer = (UInt8*)bytes;
-    UInt8 crc8          = CRC8(cipherBuffer, (int)numberOfBytes);
+    ESP_CRC8 *crc = [[ESP_CRC8 alloc]init];
+    [crc updateWithBuf:bytes Nbytes:(int)sizeof(bytes)];
+    Byte apSsidCrc = [crc getValue];
+    
+    [crc reset];
+    UInt8 crc8          = apSsidCrc;//CRC8(cipherBuffer, (int)numberOfBytes);
 
     magicCode[2]        = 0x20 | (crc8 >> 4 & 0xF);
     magicCode[3]        = 0x30 | (crc8 & 0xF);