diff --git a/1.6/Assemblies/WulaFallenEmpire.dll b/1.6/Assemblies/WulaFallenEmpire.dll
index 9bb36975..c87a5671 100644
Binary files a/1.6/Assemblies/WulaFallenEmpire.dll and b/1.6/Assemblies/WulaFallenEmpire.dll differ
diff --git a/Documentation/EventSystem_Documentation.md b/Documentation/EventSystem_Documentation.md
index d9014522..7d21f2c8 100644
--- a/Documentation/EventSystem_Documentation.md
+++ b/Documentation/EventSystem_Documentation.md
@@ -440,6 +440,14 @@
   <value>AcceptedOffer</value>
 </li>
 ```
+### `Condition_VariableNotEqual`
+检查一个变量是否 **不等于** 一个特定值。
+```xml
+<li Class="WulaFallenEmpire.Condition_VariableNotEqual">
+  <name>QuestStage</name>
+  <value>3</value>
+</li>
+```
 
 ### `Condition_CompareVariable` (基类)
 这是一个抽象基类，不应直接使用。以下所有比较条件（大于、小于等）都继承自这个基类，并共享其参数。
@@ -496,14 +504,4 @@
   <value>2</value>
 </li>
 ```
-
-### `Condition_VariableNotEqual`
-检查一个变量是否 **不等于** 一个特定值。
-```xml
-<li Class="WulaFallenEmpire.Condition_VariableNotEqual">
-  <name>QuestStage</name>
-  <value>3</value>
-</li>
-```
-
 ---
diff --git a/Source/WulaFallenEmpire/EventSystem/Condition.cs b/Source/WulaFallenEmpire/EventSystem/Condition.cs
index 1ce61c9e..ba791517 100644
--- a/Source/WulaFallenEmpire/EventSystem/Condition.cs
+++ b/Source/WulaFallenEmpire/EventSystem/Condition.cs
@@ -16,12 +16,12 @@ namespace WulaFallenEmpire
 
         public override bool IsMet(out string reason)
         {
-            object variable = EventContext.GetVariable<object>(name);
-            if (variable == null)
+            if (!EventContext.HasVariable(name))
             {
-                reason = $"Variable '{name}' not set.";
-                return false;
+                EventContext.SetVariable(name, "0");
             }
+            
+            object variable = EventContext.GetVariable<object>(name);
 
             string compareValue = value;
             if (!string.IsNullOrEmpty(valueVariableName))
@@ -58,12 +58,12 @@ namespace WulaFallenEmpire
 
         public override bool IsMet(out string reason)
         {
-            float variable = EventContext.GetVariable<float>(name, float.NaN);
-            if (float.IsNaN(variable))
+            if (!EventContext.HasVariable(name))
             {
-                reason = $"Variable '{name}' not set or not a number.";
-                return false;
+                EventContext.SetVariable(name, 0f);
             }
+            
+            float variable = EventContext.GetVariable<float>(name);
 
             float compareValue = value;
             if (!string.IsNullOrEmpty(valueVariableName))
@@ -113,9 +113,42 @@ namespace WulaFallenEmpire
         protected override string GetOperatorString() => "<=";
     }
 
-    public class Condition_VariableNotEqual : Condition_CompareVariable
+    public class Condition_VariableNotEqual : Condition
     {
-        protected override bool Compare(float var1, float var2) => var1 != var2;
-        protected override string GetOperatorString() => "!=";
+        public string name;
+        public string value;
+        public string valueVariableName;
+
+        public override bool IsMet(out string reason)
+        {
+            if (!EventContext.HasVariable(name))
+            {
+                EventContext.SetVariable(name, "0");
+            }
+
+            object variable = EventContext.GetVariable<object>(name);
+
+            string compareValue = value;
+            if (!string.IsNullOrEmpty(valueVariableName))
+            {
+                compareValue = EventContext.GetVariable<object>(valueVariableName)?.ToString();
+                if (compareValue == null)
+                {
+                    reason = $"Comparison variable '{valueVariableName}' not set.";
+                    return false;
+                }
+            }
+
+            bool met = variable.ToString() != compareValue;
+            if (!met)
+            {
+                reason = $"Requires {name} != {compareValue} (Current: {variable})";
+            }
+            else
+            {
+                reason = "";
+            }
+            return met;
+        }
     }
 }
diff --git a/Source/WulaFallenEmpire/EventSystem/Effect.cs b/Source/WulaFallenEmpire/EventSystem/Effect.cs
index a3568502..43f58bad 100644
--- a/Source/WulaFallenEmpire/EventSystem/Effect.cs
+++ b/Source/WulaFallenEmpire/EventSystem/Effect.cs
@@ -153,6 +153,12 @@ namespace WulaFallenEmpire
 
         public override void Execute(Dialog_CustomDisplay dialog = null)
         {
+            // Only set the variable if it doesn't already exist.
+            if (EventContext.HasVariable(name))
+            {
+                return;
+            }
+
             // Try to parse as int, then float, otherwise keep as string
             if (int.TryParse(value, out int intValue))
             {