diff --git a/MechaDronesTweaks/MechaDronesTweaks.cs b/MechaDronesTweaks/MechaDronesTweaks.cs
index 9e374f1..0e668b4 100644
--- a/MechaDronesTweaks/MechaDronesTweaks.cs
+++ b/MechaDronesTweaks/MechaDronesTweaks.cs
@@ -299,6 +299,33 @@ public static class MechaDronesTweaks
         }
     }
 
+    [HarmonyTranspiler, HarmonyPatch(typeof(BuildTool_Reform), MethodType.Constructor)]
+    private static IEnumerable<CodeInstruction> BuildTool_Reform_Constructor_Transpiler(
+        IEnumerable<CodeInstruction> instructions)
+    {
+        if (!largerAreaForTerraform)
+        {
+            foreach (var instr in instructions)
+            {
+                yield return instr;
+            }
+        }
+        else
+        {
+            foreach (var instr in instructions)
+            {
+                if (instr.opcode == OpCodes.Ldc_I4_S && instr.OperandIs(100))
+                {
+                    yield return new CodeInstruction(OpCodes.Ldc_I4, 900);
+                }
+                else
+                {
+                    yield return instr;
+                }
+            }
+        }
+    }
+
     [HarmonyTranspiler, HarmonyPatch(typeof(BuildTool_Reform), nameof(BuildTool_Reform.ReformAction))]
     private static IEnumerable<CodeInstruction> BuildTool_Reform_ReformAction_Transpiler(
         IEnumerable<CodeInstruction> instructions)
diff --git a/MechaDronesTweaks/MechaDronesTweaks.csproj b/MechaDronesTweaks/MechaDronesTweaks.csproj
index bc516fc..14080d8 100644
--- a/MechaDronesTweaks/MechaDronesTweaks.csproj
+++ b/MechaDronesTweaks/MechaDronesTweaks.csproj
@@ -5,7 +5,7 @@
     <AssemblyName>MechaDronesTweaks</AssemblyName>
     <BepInExPluginGuid>org.soardev.mechadronestweaks</BepInExPluginGuid>
     <Description>DSP MOD - MechaDronesTweaks</Description>
-    <Version>1.1.0</Version>
+    <Version>1.1.1</Version>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <LangVersion>latest</LangVersion>
   </PropertyGroup>
diff --git a/MechaDronesTweaks/README.md b/MechaDronesTweaks/README.md
index fecea26..44ff8d3 100644
--- a/MechaDronesTweaks/README.md
+++ b/MechaDronesTweaks/README.md
@@ -3,6 +3,14 @@
 #### Some tweaks for mecha drones(Successor to FastDrones MOD)
 #### 机甲建设机调整(FastDrones MOD的后继者)
 
+## Updates
+
+* 1.1.1
+  * Fixed crash in `LargeAreaForTerraform` functions.
+
+* 1.1.0
+  * Added `RemoveBuildRangeLimit`, `LargerAreaForUpgradeAndDismantle` and `LargerAreaForTerraform` options (Check Usage for details).
+
 ## Usage
 * Inspired by [FastDrones](https://dsp.thunderstore.io/package/dkoppstein/FastDrones/), but patching IL codes, consuming less CPU to reduce lags on massive builds especially blueprints' put.
 * Does not affect current game-saves, which means:
diff --git a/MechaDronesTweaks/package/manifest.json b/MechaDronesTweaks/package/manifest.json
index e93ccf1..a68ad3b 100644
--- a/MechaDronesTweaks/package/manifest.json
+++ b/MechaDronesTweaks/package/manifest.json
@@ -1,6 +1,6 @@
 {
   "name": "MechaDronesTweaks",
-  "version_number": "1.1.0",
+  "version_number": "1.1.1",
   "website_url": "https://github.com/soarqin/DSP_Mods/tree/master/MechaDronesTweaks",
   "description": "Some tweaks for mecha drones and build functions(Successor to FastDrones MOD) / 机甲建设机和建设功能调整(FastDrones MOD的后继者)",
   "dependencies": [