diff --git a/create.py b/create.py
index f58f2ca..4387b5f 100644
--- a/create.py
+++ b/create.py
@@ -2,8 +2,8 @@ import random
 import re
 
 
-def create_number():
-    get_number = random.randint(0,20)
+def create_number(i):
+    get_number = random.randint(0,int(i))
     # print(get_number)
     return get_number
 
@@ -13,7 +13,7 @@ def create_sign():
     # print(get_sign)
     return get_sign
 
-def create_formula():
+def create_formula(flag_num):
     total = [3,5,7]
     flag = random.choice(total)
     # 生成算式  result数组
@@ -21,7 +21,7 @@ def create_formula():
     for i in range(flag):
         # print(i)
         if i % 2 == 0:
-            number = create_number()
+            number = create_number(flag_num)
             result.append(number)
         else:
             sign = create_sign()
@@ -41,7 +41,7 @@ def create_formula():
                     result.insert(i+3,')')
                     break
 
-    # print(result)
+    print(result)
     formula = str(str(result).replace("'","").replace(',','')).replace('[','').replace(']','')
     # 计算
     while len(result) != 1:
@@ -66,39 +66,38 @@ def create_formula():
         else:
             if '*' in result:
                 number_sign = result.index('*')
+                print(result)
                 number_num = float(result[number_sign - 1]) * float(result[number_sign + 1])
-                result[number_sign - 1] = number_num
-                result.remove(result[number_sign])
+                result[number_sign] = number_num
+                result.remove(result[number_sign - 1])
                 result.remove(result[number_sign])
-                # print(result)
+                print('*'+str(result))
             elif '÷' in result:
                 number_sign = result.index('÷')
                 if result[number_sign + 1] == 0 or result[number_sign + 1] == '0':
-                    create_formula()
+                    create_formula(flag_num)
                 else:
                     number_num = float(result[number_sign - 1]) / float(result[number_sign + 1])
-                    result[number_sign - 1] = number_num
-                    result.remove(result[number_sign])
+                    result[number_sign] = number_num
+                    result.remove(result[number_sign - 1])
                     result.remove(result[number_sign])
-                # print(result)
+                print('÷'+str(result))
             elif '+' in result:
                 number_sign = result.index('+')
                 number_num = float(result[number_sign - 1]) + float(result[number_sign + 1])
                 result[number_sign - 1] = number_num
                 result.remove(result[number_sign])
                 result.remove(result[number_sign])
-                # print(result)
+                print('+'+str(result))
             elif '-' in result:
                 number_sign = result.index('-')
                 number_num = float(result[number_sign - 1]) - float(result[number_sign + 1])
                 result[number_sign - 1] = number_num
                 result.remove(result[number_sign])
                 result.remove(result[number_sign])
-                # print(result)
+                print('-'+str(result))
 
     result = str(result).replace('[','').replace(']','')[0:5]
     # print(result)
     # print(formula)
-    return result,formula
-
-create_formula()
\ No newline at end of file
+    return result,formula
\ No newline at end of file