fix: fix for must use on dot acition.

RotationSolver/Actions/BaseAction/BaseAction_Target.cs

@@ -250,7 +250,7 @@ private bool TargetParty(float range, int aoeCount, bool mustUse, out BattleChar
             target = ChoiceTarget(availableCharas, mustUse);
         }
 
-        return CheckStatus(target, mustUse);
+        return mustUse || CheckStatus(target);
     }
 
     private bool TargetDeath(out BattleChara target)
@@ -298,7 +298,7 @@ private bool TargetHostileManual(BattleChara b, bool mustUse, int aoeCount, out
             if (TargetStatus != null && !ObjectHelper.CanDot(b)) return false;
 
             //Already has status.
-            if (!CheckStatus(b, mustUse)) return false;
+            if (!mustUse && !CheckStatus(b)) return false;
 
             return true;
         }
@@ -411,10 +411,10 @@ internal bool CanGetTarget(BattleChara target, BattleChara subTarget)
     private IEnumerable<BattleChara> TargetFilterFuncEot(IEnumerable<BattleChara> tars, bool mustUse)
     {
         if (FilterForTarget != null) return FilterForTarget(tars);
-        if (TargetStatus == null || !_isEot) return tars;
+        if (TargetStatus == null || !_isEot ||　mustUse) return tars;
 
-        var canDot = tars.Where(ObjectHelper.CanDot);
-        var DontHave = canDot.Where(b => CheckStatus(b, mustUse));
+        var canDot = mustUse ? tars : tars.Where(ObjectHelper.CanDot);
+        var DontHave = canDot.Where(CheckStatus);
 
         if (mustUse)
         {
@@ -433,11 +433,10 @@ private IEnumerable<BattleChara> TargetFilterFuncEot(IEnumerable<BattleChara> ta
     /// </summary>
     /// <param name="tar"></param>
     /// <returns>True for add Eot.</returns>
-    private bool CheckStatus(BattleChara tar, bool mustUse)
+    private bool CheckStatus(BattleChara tar)
     {
         if (tar == null) return false;
 
-        if (mustUse) return true;
         if (TargetStatus == null) return true;
 
         return tar.WillStatusEndGCD((uint)Service.Configuration.AddDotGCDCount, 0, true, TargetStatus);

RotationSolver/Rotations/Healer/SCH/SCH_Default.cs

@@ -72,14 +72,16 @@ private protected override bool GeneralGCD(out IAction act)
         //DoT
         if (Bio.ShouldUse(out act)) return true;
 
-
         //AOE
         if (ArtofWar.ShouldUse(out act)) return true;
 
-        //单体
+        //Single
         if (Ruin.ShouldUse(out act)) return true;
         if (Ruin2.ShouldUse(out act)) return true;
 
+        //Add dot.
+        if (Bio.ShouldUse(out act, true)) return true;
+
         return false;
     }