diff --git a/1-BISS/pd.py b/1-BISS/pd.py
index 9fb1920..53fe030 100644
--- a/1-BISS/pd.py
+++ b/1-BISS/pd.py
@@ -54,8 +54,8 @@ proto = {
     'ASC':              [2, 'arc start cds',  'ARC'],
     'P':                [3, 'P',           'P'],
     'S':                [4, 'S',          'S'],    
-    'ERR':              [5, 'Address read',  'AR'],
-    'CRC':              [6, 'Address write', 'AW'],
+    'ERR':              [5, 'err',  'err'],
+    'CRC':              [6, 'CRC', 'CRC'],
     'STOP':             [7, 'Stop',          'P'],
 }
 
@@ -146,7 +146,7 @@ class Decoder(srd.Decoder):
         self.state = 'FIND START'
         self.bits = []
     # Gather 8 bits of data plus the ACK/NACK bit.
-    def handle_data(self, scl, sda,cmd,size,next_state):
+    def handle_data(self, scl, sda,cmd,size,next_state,num):
 
         # 记录数据值
         self.databyte <<= 1
@@ -185,7 +185,7 @@ class Decoder(srd.Decoder):
             self.put(bit[1], bit[2], self.out_ann, [0, ['%d' % bit[0]]])
 
 
-        self.put(self.ss, self.es, self.out_ann, [8, ['{$}', d]])
+        self.put(self.ss, self.es, self.out_ann, [num, ['{$}', d]])
         self.putx([proto[cmd][0], proto[cmd][1:]])
         # Done with this packet.
         self.bitcount = self.databyte = 0
@@ -203,19 +203,19 @@ class Decoder(srd.Decoder):
                 self.handle_start()
             elif self.state == 'FIND DATA':
                 (scl, sda) = self.wait([{0: 'f'}])
-                self.handle_data(scl, sda,'ASC',3,'FIND DATA1')
+                self.handle_data(scl, sda,'ASC',3,'FIND DATA1',1)
             elif self.state == 'FIND DATA1':
                 (scl, sda) = self.wait([{0: 'f'}])
-                self.handle_data(scl, sda,'P',13,'FIND DATA2')
+                self.handle_data(scl, sda,'P',13,'FIND DATA2',8)
             elif self.state == 'FIND DATA2':
                 (scl, sda) = self.wait([{0: 'f'}])
-                self.handle_data(scl, sda,'S',13,'FIND ERR')
+                self.handle_data(scl, sda,'S',13,'FIND ERR',9)
             elif self.state == 'FIND ERR':
                 (scl, sda) = self.wait([{0: 'f'}])
-                self.handle_data(scl, sda,'ERR',2,'FIND CRC')
+                self.handle_data(scl, sda,'ERR',2,'FIND CRC',1)
             elif self.state == 'FIND CRC':
                 (scl, sda) = self.wait([{0: 'f'}])
-                self.handle_data(scl, sda,'CRC',6,'FIND STOP')
+                self.handle_data(scl, sda,'CRC',6,'FIND STOP',1)
             elif self.state == 'FIND STOP':
                 (scl, sda) = self.wait([{0: 'h', 1: 'r'}])       
                 self.handle_stop()