diff --git a/readme.md b/readme.md
index 3d5fb38..f24c68e 100644
--- a/readme.md
+++ b/readme.md
@@ -81,6 +81,8 @@
 
 2021/1/4 ：reflectM包添加indirect处理指针和非指针，获取type、value
 
+2020/02/18：bitStore新增特殊档位获取方法，修改档位数目的参数标识
+
 # mod vendor模式加载包
 通过go mod的方式加载的github上面的包会有报红的问题，但是包本身是可以运行的，这样就是会有一个问题，如果你想要点击去看方法的内容，没办法做到
 
diff --git a/util/bitStore/BitStoreTool.go b/util/bitStore/BitStoreTool.go
index 3a316ab..c848c17 100644
--- a/util/bitStore/BitStoreTool.go
+++ b/util/bitStore/BitStoreTool.go
@@ -12,13 +12,13 @@ package bitStore
 import "fmt"
 
 const (
-	bit     = 32
-	realBit = 31
+	bit     = 32 //作为标识，没有实际作用
+	realBit = 31 //真实参与计算的每个数字代表的档位数量
 )
 
 type BitStore struct {
-	MaxGear      int //存储的最大挡位
-	GearPickList []int
+	MaxGear      int   //存储的最大挡位
+	GearPickList []int //用来表示档位的数组(每一个数表示【下标 * bit】位的档位存储结果)
 }
 
 //初始化方法，gear表示最大的领取档位是多少.(档位刚开始计算，没有值的情况)
@@ -34,6 +34,19 @@ func NewBitStore(gear int, gearPickList []int) *BitStore {
 	}
 }
 
+//返回指定档位长度的领取状态数组
+func (bitStore *BitStore) FindSpecialGearList(gear int) []bool {
+	bitStore.checkGearRight(gear)           //校验传进来的长度是否正确
+	bitStore.getSizeOrInit()                //如果数组没有初始化，进行初始化
+	return bitStore.getGearListByGear(gear) //返回指定长度的领取状态数组
+}
+
+//获取当前有记录的档位的Map
+func (bitStore *BitStore) FindGearMap() map[int]bool {
+	listSize := bitStore.getSizeOrInit()              //获取当前数组长度，如果数组没有初始化，进行初始化
+	return bitStore.shortListDeal(listSize, listSize) //短数组的处理(没有达到最大大小的数组长度)
+}
+
 //获取所有档位对应的Map
 func (bitStore *BitStore) FindAllGearMap() map[int]bool {
 	length := bitStore.getGearListLength(bitStore.MaxGear) //获取最大档位的长度
@@ -73,12 +86,12 @@ func (bitStore *BitStore) checkGearRight(gear int) {
 
 //获取当前档位对应的数组长度（这边的length是从1开始的.）
 func (bitStore *BitStore) getGearListLength(gear int) int {
-	return ((gear - 1) + (bit - 1)) / (bit - 1)
+	return ((gear - 1) + realBit) / realBit
 }
 
 //获取档位所在的二进制位置
 func (bitStore *BitStore) getGearPosition(gear, length int) int {
-	return (gear - 1) % (bit - 1)
+	return gear - realBit*(length-1) - 1
 }
 
 func (bitStore *BitStore) getSizeOrInit() int {
@@ -91,8 +104,8 @@ func (bitStore *BitStore) getSizeOrInit() int {
 func (bitStore *BitStore) fullListDeal(listSize int, length int) map[int]bool {
 	resultMap := make(map[int]bool, 0)
 	for i := 0; i < length; i++ {
-		for j := 0; j < bit-1 && bitStore.MaxGear > i*(bit-1)+j; j++ {
-			resultMap[i*(bit-1)+j+1] = (bitStore.GearPickList[i] & (1 << uint(j))) > 0
+		for j := 0; j < realBit && bitStore.MaxGear > i*realBit+j; j++ {
+			resultMap[i*realBit+j+1] = (bitStore.GearPickList[i] & (1 << uint(j))) > 0
 		}
 	}
 	return resultMap
@@ -101,13 +114,13 @@ func (bitStore *BitStore) fullListDeal(listSize int, length int) map[int]bool {
 func (bitStore *BitStore) shortListDeal(listSize, length int) map[int]bool {
 	resultMap := make(map[int]bool, 0)
 	for i := 0; i < listSize; i++ {
-		for j := 0; j < (bit - 1); j++ {
-			resultMap[i*(bit-1)+j+1] = (bitStore.GearPickList[i] & (1 << uint(j))) > 0
+		for j := 0; j < realBit; j++ {
+			resultMap[i*realBit+j+1] = (bitStore.GearPickList[i] & (1 << uint(j))) > 0
 		}
 	}
 	for i := listSize; i < length; i++ {
-		for j := 0; j < (bit-1) && bitStore.MaxGear > i*(bit-1)+j; j++ {
-			resultMap[i*(bit-1)+j+1] = false
+		for j := 0; j < realBit && bitStore.MaxGear > i*realBit+j; j++ {
+			resultMap[i*realBit+j+1] = false
 		}
 	}
 	return resultMap
@@ -131,3 +144,29 @@ func (bitStore *BitStore) checkIfReceive(gear int) {
 		panic("当前档位已被领取，不可重复领取")
 	}
 }
+
+func (bitStore *BitStore) getGearListByGear(gear int) []bool {
+	gearList := make([]bool, 0)
+	listAllGear := len(bitStore.GearPickList) * realBit //当前已领取数组可表示的总档位
+	//如果指定的长度大于gear已有数组长度，需要特殊处理
+	if listAllGear <= gear {
+		for i := 0; i < (listAllGear-1)/realBit+1; i++ {
+			for j := 0; j < realBit && realBit*i+j < gear; j++ {
+				gearList = append(gearList, (bitStore.GearPickList[i]&(1<<uint(j))) > 0)
+			}
+		}
+		for i := 0; i < gear-listAllGear; i++ {
+			for j := 0; j < realBit && realBit*i+j < gear-listAllGear; j++ {
+				gearList = append(gearList, false)
+			}
+		}
+		return gearList
+	}
+	//如果获取的档位比实际记录的档位小
+	for i := 0; i < (gear-1)/realBit+1; i++ {
+		for j := 0; j < realBit && realBit*i+j < gear; j++ {
+			gearList = append(gearList, (bitStore.GearPickList[i]&(1<<uint(j))) > 0)
+		}
+	}
+	return gearList
+}
diff --git a/util/bitStore/BitStoreTool_test.go b/util/bitStore/BitStoreTool_test.go
index 5075976..00e15a1 100644
--- a/util/bitStore/BitStoreTool_test.go
+++ b/util/bitStore/BitStoreTool_test.go
@@ -7,12 +7,74 @@
 package bitStore
 
 import (
-	"Go-Tool/util/sort"
 	"fmt"
 	"math"
 	"testing"
 )
 
+func TestBitStore(t *testing.T) {
+	fmt.Println("测试2档的情况")
+	testTwo()
+	fmt.Println()
+
+	fmt.Println("测试10档的情况")
+	testTen()
+	fmt.Println()
+
+	fmt.Println("测试18档的情况")
+	testEighteen()
+	fmt.Println()
+
+	fmt.Println("测试33档的情况")
+	testThirtyThree()
+	fmt.Println()
+
+	fmt.Println("测试58档的情况")
+	testFiftyEight()
+	fmt.Println()
+
+	fmt.Println("测试1000档的情况")
+	testOneThousand(t)
+	fmt.Println()
+}
+
+func TestBitStoreFind(t *testing.T) {
+	bitStore := NewBitStore(120, nil)
+	bitStore.ReceiveByGear(1)
+	bitStore.ReceiveByGear(3)
+	bitStore.ReceiveByGear(5)
+	bitStore.ReceiveByGear(7)
+	bitStore.ReceiveByGear(13)
+	bitStore.ReceiveByGear(10)
+	bitStore.ReceiveByGear(16)
+	bitStore.ReceiveByGear(33)
+	bitStore.ReceiveByGear(35)
+
+	fmt.Println(bitStore.FindGearMap())
+	fmt.Println(bitStore.FindSpecialGearList(1))
+	fmt.Println(len(bitStore.FindSpecialGearList(1)))
+	fmt.Println(bitStore.FindSpecialGearList(4))
+	fmt.Println(len(bitStore.FindSpecialGearList(4)))
+	fmt.Println(bitStore.FindSpecialGearList(2))
+	fmt.Println(len(bitStore.FindSpecialGearList(2)))
+	fmt.Println(bitStore.FindSpecialGearList(10))
+	fmt.Println(len(bitStore.FindSpecialGearList(10)))
+	fmt.Println(bitStore.FindSpecialGearList(13))
+	fmt.Println(len(bitStore.FindSpecialGearList(13)))
+	fmt.Println(bitStore.FindSpecialGearList(14))
+	fmt.Println(len(bitStore.FindSpecialGearList(14)))
+	fmt.Println(bitStore.FindSpecialGearList(20))
+	fmt.Println(len(bitStore.FindSpecialGearList(20)))
+	fmt.Println(bitStore.FindSpecialGearList(32))
+	fmt.Println(len(bitStore.FindSpecialGearList(32)))
+	fmt.Println(bitStore.FindSpecialGearList(63))
+	fmt.Println(len(bitStore.FindSpecialGearList(63)))
+	fmt.Println(bitStore.FindSpecialGearList(64))
+	fmt.Println(len(bitStore.FindSpecialGearList(64)))
+	fmt.Println(bitStore.FindSpecialGearList(65))
+	fmt.Println(len(bitStore.FindSpecialGearList(65)))
+}
+
 func newStoreMap(bitStore *BitStore) {
 	gearMap := bitStore.FindAllGearMap()
 	falseList := make([]int, 0)
@@ -34,22 +96,21 @@ func getReceiveResult(bitStore *BitStore) {
 			keyList = append(keyList, key)
 		}
 	}
-	sort.BubbleSort(keyList)
 	fmt.Println("已经领取的档位信息如下")
 	for value := range keyList {
 		fmt.Print(fmt.Sprintf("%d,", keyList[value]))
 	}
 }
 
-func TestOneThousand(t *testing.T) {
+func testOneThousand(t *testing.T) {
 	bitStore := NewBitStore(1000, nil)
 
 	newStoreMap(bitStore) //初始化的校验
 
 	fmt.Println()
-	bitStore.ReceiveByGear(1)
+	bitStore.ReceiveByGear(3)
 	fmt.Println(fmt.Sprintf("%b", bitStore.GearPickList[0]))
-	fmt.Println(fmt.Sprintf("这个时候领取结果  1应该返回true，结果是：%v", bitStore.IsGearReceive(3)))
+	fmt.Println(fmt.Sprintf("这个时候领取结果  3应该返回true，结果是：%v", bitStore.IsGearReceive(3)))
 	bitStore.ReceiveByGear(8)
 	fmt.Println(fmt.Sprintf("%b", bitStore.GearPickList[0]))
 	fmt.Println(fmt.Sprintf("这个时候领取结果  8应该返回true，结果是：%v", bitStore.IsGearReceive(8)))
@@ -76,10 +137,10 @@ func TestOneThousand(t *testing.T) {
 	fmt.Println(fmt.Sprintf("这个时候领取结果  44应该返回true，结果是：%v", bitStore.IsGearReceive(44)))
 	bitStore.ReceiveByGear(48)
 	fmt.Println(fmt.Sprintf("%b", bitStore.GearPickList[1]))
+	fmt.Println(fmt.Sprintf("这个时候领取结果  48应该返回true，结果是：%v", bitStore.IsGearReceive(48)))
 
 	fmt.Println(fmt.Sprintf("判断当前数组是否动态增长，当前数组长度为:%d", len(bitStore.GearPickList)))
 
-	fmt.Println(fmt.Sprintf("这个时候领取结果  48应该返回true，结果是：%v", bitStore.IsGearReceive(48)))
 	bitStore.ReceiveByGear(123)
 	fmt.Println(fmt.Sprintf("这个时候领取结果  123应该返回true，结果是：%v", bitStore.IsGearReceive(123)))
 
@@ -100,7 +161,7 @@ func TestOneThousand(t *testing.T) {
 	getReceiveResult(bitStore)
 }
 
-func TestFiftyEight(t *testing.T) {
+func testFiftyEight() {
 	bitStore := NewBitStore(58, nil)
 
 	newStoreMap(bitStore) //初始化的校验
@@ -133,7 +194,7 @@ func TestFiftyEight(t *testing.T) {
 	}
 }
 
-func TestThirtyThree(t *testing.T) {
+func testThirtyThree() {
 	bitStore := NewBitStore(33, nil)
 
 	newStoreMap(bitStore) //初始化的校验
@@ -160,7 +221,7 @@ func TestThirtyThree(t *testing.T) {
 	}
 }
 
-func TestEighteen(t *testing.T) {
+func testEighteen() {
 	bitStore := NewBitStore(18, nil)
 
 	newStoreMap(bitStore) //初始化的校验
@@ -181,7 +242,7 @@ func TestEighteen(t *testing.T) {
 	}
 }
 
-func TestTen(t *testing.T) {
+func testTen() {
 	bitStore := NewBitStore(10, nil)
 
 	newStoreMap(bitStore) //初始化的校验
@@ -200,7 +261,7 @@ func TestTen(t *testing.T) {
 	}
 }
 
-func TestTwo(t *testing.T) {
+func testTwo() {
 	bitStore := NewBitStore(2, nil)
 
 	newStoreMap(bitStore) //初始化的校验