diff --git a/diy4.py b/diy4.py
index 6d0c61f..2277933 100644
--- a/diy4.py
+++ b/diy4.py
@@ -8,13 +8,14 @@ key_message=""
 noise="宇智波滤dhhydhydyhdndjirtrug;//-909-宽容急急急防护及"
 # 请使用私钥key，对message进行加密
 for i in message:
-    st1=1
-    st2=random.choice(key)
-    st3=random.choice(key)
-    text=st1+st2+st3
+    str1=i
+    str2=random.choice(key)
+    str3=random.choice(key)
+    text=str1+str2+str3
     key_message=key_message+text
 list_message=list(key_message)
-list_message.insert(5,noise)
-result.message="".join(list_message)
+index=random.randint(0,len(key_message))
+list_message.insert(index,noise)
+result.message = "".join(list_message)
 print(result_message)