diff --git "a/#15-\346\211\243\346\212\2653.pine" "b/#15-\346\211\243\346\212\2653.pine"
index 3b76417..abbfc70 100644
--- "a/#15-\346\211\243\346\212\2653.pine"
+++ "b/#15-\346\211\243\346\212\2653.pine"
@@ -1,10 +1,10 @@
-//@version=4
+//@version=6
 // 本程式來自 https://www.leafbodhi.com/tradingview-deduct-group/
 
-study("Deduct扣抵",overlay=true)
-x = input(20, title="小均")
-y = input(60, title="中均")
-z = input(120, title="大均")
+indicator('Deduct扣抵', overlay = true)
+x = input(20, title = '小均')
+y = input(60, title = '中均')
+z = input(120, title = '大均')
 
 close1 = close[x]
 close2 = close[y]
@@ -16,26 +16,11 @@ close3 = close[z]
 //tostring(x) 可以把本來是「數字」的x轉換成「字串」
 
 
-l1 = label.new(bar_index-x, na, tostring(x)+'MA '+tostring(close[x]), 
-  color=color.orange, 
-  textcolor=color.white,
-  style=close[x] > open[x] ? label.style_labeldown : label.style_labelup, 
-  yloc=close[x] > open[x] ? yloc.abovebar : yloc.belowbar
-  )
+l1 = label.new(bar_index - x, na, str.tostring(x) + 'MA ' + str.tostring(close[x]), color = color.orange, textcolor = color.white, style = close[x] > open[x] ? label.style_label_down : label.style_label_up, yloc = close[x] > open[x] ? yloc.abovebar : yloc.belowbar)
 label.delete(l1[1])
 
-l2 = label.new(bar_index-y, na, tostring(y)+'MA '+tostring(close[y]), 
-  color=color.blue, 
-  textcolor=color.white,
-   style=close[y] > open[y] ? label.style_labeldown : label.style_labelup, 
-  yloc=close[y] > open[y] ? yloc.abovebar : yloc.belowbar
-  )
+l2 = label.new(bar_index - y, na, str.tostring(y) + 'MA ' + str.tostring(close[y]), color = color.blue, textcolor = color.white, style = close[y] > open[y] ? label.style_label_down : label.style_label_up, yloc = close[y] > open[y] ? yloc.abovebar : yloc.belowbar)
 label.delete(l2[1])
 
-l3 = label.new(bar_index-z, na, tostring(z) +'MA '+tostring(close[z]), 
-  color=color.navy, 
-  textcolor=color.white,
-  style=close[z] > open[z] ? label.style_labeldown : label.style_labelup, 
-  yloc=close[z] > open[z] ? yloc.abovebar : yloc.belowbar
-  )
+l3 = label.new(bar_index - z, na, str.tostring(z) + 'MA ' + str.tostring(close[z]), color = color.navy, textcolor = color.white, style = close[z] > open[z] ? label.style_label_down : label.style_label_up, yloc = close[z] > open[z] ? yloc.abovebar : yloc.belowbar)
 label.delete(l3[1])
diff --git "a/#21-\345\260\213\346\211\276\351\253\230\344\275\216\351\273\2365.pine" "b/#21-\345\260\213\346\211\276\351\253\230\344\275\216\351\273\2365.pine"
index d87ac0b..7bc5e1a 100644
--- "a/#21-\345\260\213\346\211\276\351\253\230\344\275\216\351\273\2365.pine"
+++ "b/#21-\345\260\213\346\211\276\351\253\230\344\275\216\351\273\2365.pine"
@@ -1,41 +1,36 @@
-//@version=4
-study("教學：尋找高低點5", overlay=true)
+//@version=6
+indicator('教學：尋找高低點5', overlay = true)
 
 // 尋找高低點5：移除多餘的高低點
 // **持續變數的使用**  本堂課非常重要
 // 藉由記錄上一次出現高點與低點的地方，判斷目前的高低點是不是有重複
-   
-barnum = input(title="左右K棒數", defval=4, type=input.integer, minval=2)
+
+barnum = input.int(title = '左右K棒數', defval = 4, minval = 2)
 
 // 此處的變數將持續使用
-var timeHigh=bar_index  // 最近一次高點的K棒號碼
-var timeLow=bar_index   // 最近一次低點的K棒號碼
-var lastHigh=0.0        // 最近一次高點的高點
-var lastLow=high*100    // 最近一次低點的低點
+var timeHigh = bar_index // 最近一次高點的K棒號碼
+var timeLow = bar_index // 最近一次低點的K棒號碼
+var lastHigh = 0.0 // 最近一次高點的高點
+var lastLow = high * 100 // 最近一次低點的低點
+
 
+cond = high[barnum] == ta.highest(high, barnum * 2 + 1)
+cond2 = low[barnum] == ta.lowest(low, barnum * 2 + 1)
 
-cond = high[barnum] == highest(high, barnum*2+1) 
-cond2= low[barnum]  == lowest(low, barnum*2+1) 
+
+if cond
+    timeHigh := bar_index - barnum
+    lastHigh := high[barnum]
+    lineh = line.new(x1 = timeLow, y1 = lastLow, x2 = timeHigh, y2 = lastHigh, color = color.orange, width = 2)
+    labelh = label.new(x = bar_index - barnum, y = na, text = 'H', size = size.normal, color = #EEEEEE, textcolor = color.red, yloc = yloc.abovebar, style = label.style_label_down)
+    labelh
 
 
-if cond 
-    timeHigh:=bar_index-barnum
-    lastHigh:=high[barnum]
-    lineh = line.new(x1=timeLow, y1=lastLow, 
-             x2=timeHigh, y2=lastHigh, 
-             color=color.orange, width=2)
-    labelh = label.new(x=bar_index-barnum, y=na, text="H", 
-             size=size.normal, color=#EEEEEE, textcolor=color.red, 
-             yloc=yloc.abovebar, style=label.style_label_down
-             )
 
-    
-  
 if cond2
-    timeLow:=bar_index-barnum
-    lastLow:=low[barnum]
-    lablel = label.new(x=bar_index-barnum, y=na, text="L", 
-             size=size.normal, color=#EEEEEE, textcolor=color.green, 
-             yloc=yloc.belowbar, style=label.style_label_up
-             )
+    timeLow := bar_index - barnum
+    lastLow := low[barnum]
+    lablel = label.new(x = bar_index - barnum, y = na, text = 'L', size = size.normal, color = #EEEEEE, textcolor = color.green, yloc = yloc.belowbar, style = label.style_label_up)
+    lablel
+