diff --git a/parts/language/lang_zh.lua b/parts/language/lang_zh.lua
index 95c48d1b..cba83610 100644
--- a/parts/language/lang_zh.lua
+++ b/parts/language/lang_zh.lua
@@ -866,7 +866,7 @@ return {
         ['sprint_1000l']=   {"竞速",        "1000L",    "消除1000行"},
         ['construct_sg']=   {"拼花",        "秘密段位",  "按照提示完成经典的“大于号”拼图"},
         ['construct_checker']={"拼花",      "棋盘",      "按照提示搭建棋盘的图案"},
-        ['construct_invsg']=  {"拼花",      "折线",      "按照提示搭建折线图案"},
+        ['construct_invsg']=  {"拼花",      "斜线",      "按照提示搭建斜线图案"},
         ['sprintPenta']=    {"竞速",        "五连块",     "伤脑筋十八块"},
         ['sprintMPH']=      {"竞速",        "MPH",      "纯随机\n无预览\n无暂存"},
         ['sprint123']=      {"竞速",        "M123",     "40L，但只有1~3连块"},
diff --git a/parts/language/lang_zh_trad.lua b/parts/language/lang_zh_trad.lua
index e09f5ff1..85baf8c5 100644
--- a/parts/language/lang_zh_trad.lua
+++ b/parts/language/lang_zh_trad.lua
@@ -836,8 +836,8 @@ return {
         ['sprint_400l']=    {"競速",        "400L",     "清除400行"},
         ['sprint_1000l']=   {"競速",        "1000L",    "清除1000行"},
         ['construct_sg']=   {"建設",        "秘密段位",  "按照提示完成經典的“大於號”拼圖"},
-        -- ['construct_checker']=   {"Construct",         "CHECKERBOARD",   "Build a checkerboard pattern!"},
-        -- ['construct_invsg']=     {"Construct",         "INV. SG",        "Build an inverted zigzag pattern!"},
+        ['construct_checker']={"建設",      "棋盤",      "按照提示完成“棋盤”拼圖"},
+        ['construct_invsg']=  {"建設",      "斜綫",      "按照提示完成“斜綫”拼圖"},
         ['sprintPenta']=    {"競速",        "五連塊",     "傷腦筋十八塊"},
         ['sprintMPH']=      {"競速",        "MPH",      "純隨機\n無Next\n無Hold"},
         ['sprint123']=      {"競速",        "M123",     "清除40行，但只有一至三連塊"},
diff --git a/parts/modes/construct_checker.lua b/parts/modes/construct_checker.lua
index bb73b698..28003ec1 100644
--- a/parts/modes/construct_checker.lua
+++ b/parts/modes/construct_checker.lua
@@ -11,7 +11,7 @@ return {
     scoreDisp=function(D) return getConstructGradeText(D[1]).."   "..D[2].." Pieces" end,
     comp=function(a,b) return a[1]>b[1] or a[1]==b[1] and a[2]<b[2] end,
     getRank=function(P)
-        local G=P.modeData.maxRankPts
+        local G=P.modeData.maxRankPts-1
         return
         G>=8 and 5 or
         G>=6 and 4 or
diff --git a/parts/modes/construct_invsg.lua b/parts/modes/construct_invsg.lua
index 518e3e63..3c8ed697 100644
--- a/parts/modes/construct_invsg.lua
+++ b/parts/modes/construct_invsg.lua
@@ -11,7 +11,7 @@ return {
     scoreDisp=function(D) return getConstructGradeText(D[1]).."   "..D[2].." Pieces" end,
     comp=function(a,b) return a[1]>b[1] or a[1]==b[1] and a[2]<b[2] end,
     getRank=function(P)
-        local G=P.modeData.maxRankPts
+        local G=P.modeData.maxRankPts-1
         return
         G>=10 and 5 or
         G>=7 and 4 or
diff --git a/parts/modes/construct_sg.lua b/parts/modes/construct_sg.lua
index 59b36488..1e8f1297 100644
--- a/parts/modes/construct_sg.lua
+++ b/parts/modes/construct_sg.lua
@@ -9,7 +9,7 @@ return {
     scoreDisp=function(D) return getConstructGradeText(D[1]).."   "..D[2].." Pieces" end,
     comp=function(a,b) return a[1]>b[1] or a[1]==b[1] and a[2]<b[2] end,
     getRank=function(P)
-        local G=P.modeData.maxRankPts
+        local G=P.modeData.maxRankPts-1
         return
             G>=23 and 5 or
             G>=21 and 4 or