diff --git a/Cursive.toc b/Cursive.toc
index eadbc03..d85e155 100644
--- a/Cursive.toc
+++ b/Cursive.toc
@@ -1,6 +1,6 @@
 ## Interface: 11200
-## Title: [|CFF33AAFFSUPERWOW|R] Cursive 2.6.3
-## Title-zhCN: [|CFF33AAFFSUPERWOW|R] Cursive 2.6.3
+## Title: [|CFF33AAFFSUPERWOW|R] Cursive 2.6.4
+## Title-zhCN: [|CFF33AAFFSUPERWOW|R] Cursive 2.6.4
 ## Author: Pepopo
 ## Notes: Uses SuperWoW GUIDs to show units in combat and track curses
 ## Notes-zhCN: 使用SuperWoW的GUID功能来显示战斗中的单位并监视诅咒等
diff --git a/Localization.lua b/Localization.lua
index cb731fb..0aa1fa7 100644
--- a/Localization.lua
+++ b/Localization.lua
@@ -172,10 +172,10 @@ L:RegisterTranslations("enUS", function()
 		["expose armor"] = true,
 		["garrote"] = true,
 		["deadly poison"] = true,
-		["deadly poison II"] = true,
-		["deadly poison III"] = true,
-		["deadly poison IV"] = true,
-		["deadly poison V"] = true,
+		["deadly poison ii"] = true,
+		["deadly poison iii"] = true,
+		["deadly poison iv"] = true,
+		["deadly poison v"] = true,
 		["hemorrhage"] = true,
 		["cheap shot"] = true,
 
@@ -380,10 +380,10 @@ L:RegisterTranslations("zhCN", function()
 		["expose armor"] = "破甲", -- no idea if right
 		["garrote"] = "锁喉", -- no idea if right
 		["deadly poison"] = "致命毒药", -- no idea if right
-		["deadly poison II"] = "致命毒药 II",
-		["deadly poison III"] = "致命毒药 III",
-		["deadly poison IV"] = "致命毒药 IV",
-		["deadly poison V"] = "致命毒药 V",
+		["deadly poison ii"] = "致命毒药 II",
+		["deadly poison iii"] = "致命毒药 III",
+		["deadly poison iv"] = "致命毒药 IV",
+		["deadly poison v"] = "致命毒药 V",
 		["hemorrhage"] = "出血", -- no idea if right
 		["cheap shot"] = "肮脏的打击", -- no idea if right
 
diff --git a/curses.lua b/curses.lua
index 51dd6c6..71a0bb3 100644
--- a/curses.lua
+++ b/curses.lua
@@ -495,7 +495,7 @@ end
 function curses:TimeRemaining(curseData)
 	local dhReduction = 0
 
-	if curses.trackedCurseIds[curseData.spellID].darkHarvest then
+	if curses.trackedCurseIds[curseData.spellID] and curses.trackedCurseIds[curseData.spellID].darkHarvest then
 		curses:TrackDarkHarvest(curseData)
 
 		dhReduction = curses:GetDarkHarvestReduction(curseData)
diff --git a/spells/rogue.lua b/spells/rogue.lua
index 7144c41..603fc6a 100644
--- a/spells/rogue.lua
+++ b/spells/rogue.lua
@@ -62,10 +62,10 @@ function getRogueSpells()
 		[11290] = { name = L["garrote"], rank = 6, duration = 18 },
 
 		[2818] = { name = L["deadly poison"], rank = 1, duration = 12 },
-		[2819] = { name = L["deadly poison II"], rank = 2, duration = 12 },
-		[11353] = { name = L["deadly poison III"], rank = 3, duration = 12 },
-		[11354] = { name = L["deadly poison IV"], rank = 4, duration = 12 },
-		[25349] = { name = L["deadly poison V"], rank = 5, duration = 12 },
+		[2819] = { name = L["deadly poison ii"], rank = 2, duration = 12 },
+		[11353] = { name = L["deadly poison iii"], rank = 3, duration = 12 },
+		[11354] = { name = L["deadly poison iv"], rank = 4, duration = 12 },
+		[25349] = { name = L["deadly poison v"], rank = 5, duration = 12 },
 
 		[16511] = { name = L["hemorrhage"], rank = 1, duration = 15 },