diff --git a/server/gameserver/mt/SkillNumber.cc b/server/gameserver/mt/SkillNumber.cc
index f53ed23b..7465abd6 100644
--- a/server/gameserver/mt/SkillNumber.cc
+++ b/server/gameserver/mt/SkillNumber.cc
@@ -21,6 +21,7 @@ A8_DECLARE_CLASS_ENUM(SkillNumberLispField_e, int,
                       range,
                       range2,
                       range3,
+                      range4,
                       time,
                       cd,
                       number,
@@ -196,6 +197,11 @@ namespace mt
                 return _float_range3;
             }
             break;
+        case SkillNumberLispField_e::range4:
+            {
+                return _float_range4;
+            }
+            break;
         case SkillNumberLispField_e::time:
             {
                 return _float_time;
@@ -248,6 +254,8 @@ namespace mt
             return (int)SkillNumberLispField_e::range2;
         } else if (name == "${skillNumber.range3}") {
             return (int)SkillNumberLispField_e::range3;
+        } else if (name == "${skillNumber.range4}") {
+            return (int)SkillNumberLispField_e::range4;
         } else if (name == "${skillNumber.time}") {
             return (int)SkillNumberLispField_e::time;
         } else if (name == "${skillNumber.cd}") {
diff --git a/server/gameserver/mt/SkillNumber.h b/server/gameserver/mt/SkillNumber.h
index 07a77d0f..c9c23b54 100644
--- a/server/gameserver/mt/SkillNumber.h
+++ b/server/gameserver/mt/SkillNumber.h
@@ -29,6 +29,9 @@ namespace mt
         int _int_range3 = 0;
         float _float_range3 = 0;
 
+        int _int_range4 = 0;
+        float _float_range4 = 0;
+
         int _int_probability = 0;
         float _float_probability = 0;
 
diff --git a/server/gameserver/mtb/SkillNumber.h b/server/gameserver/mtb/SkillNumber.h
index fba5092a..49224bd8 100644
--- a/server/gameserver/mtb/SkillNumber.h
+++ b/server/gameserver/mtb/SkillNumber.h
@@ -32,6 +32,7 @@ namespace mtb
     int explosion_effect() const { return explosion_effect_; };
     const std::string effect_list() const { return effect_list_; };
     const std::string time2() const { return time2_; };
+    const std::string range4() const { return range3_; };
 
     bool has_skill_id() const { return __flags__.test(0);};
     bool has_skill_type() const { return __flags__.test(1);};
@@ -55,6 +56,7 @@ namespace mtb
     bool has_explosion_effect() const { return __flags__.test(19);};
     bool has_effect_list() const { return __flags__.test(20);};
     bool has_time2() const { return __flags__.test(21);};
+    bool has_ragne4() const { return __flags__.test(22);};
 
   protected:
 
@@ -72,6 +74,7 @@ namespace mtb
     std::string range_;
     std::string range2_;
     std::string range3_;
+    std::string range4_;
     std::string time_;
     std::string cd_;
     int buff_id_ = 0;
@@ -82,7 +85,7 @@ namespace mtb
     std::string time2_;
 
 public:
-    std::bitset<22> __flags__;
+    std::bitset<23> __flags__;
   };
 
 };
diff --git a/server/gameserver/mtb/mtb.all.cc b/server/gameserver/mtb/mtb.all.cc
index df92dbd5..5a1ea95b 100644
--- a/server/gameserver/mtb/mtb.all.cc
+++ b/server/gameserver/mtb/mtb.all.cc
@@ -420,7 +420,7 @@ namespace mtb
     {
       a8::reflect::Class* meta_class = nullptr;
       if (!meta_class) {
-        meta_class = new a8::reflect::Class("SkillNumber", 22, 0);
+        meta_class = new a8::reflect::Class("SkillNumber", 23, 0);
         meta_class->SetSimpleField(0, "skill_id", a8::reflect::ET_INT32, my_offsetof2(SkillNumber, skill_id_));
         meta_class->SetSimpleField(1, "skill_type", a8::reflect::ET_INT32, my_offsetof2(SkillNumber, skill_type_));
         meta_class->SetSimpleField(2, "number", a8::reflect::ET_FLOAT, my_offsetof2(SkillNumber, number_));
@@ -443,6 +443,7 @@ namespace mtb
         meta_class->SetSimpleField(19, "explosion_effect", a8::reflect::ET_INT32, my_offsetof2(SkillNumber, explosion_effect_));
         meta_class->SetSimpleField(20, "effect_list", a8::reflect::ET_STRING, my_offsetof2(SkillNumber, effect_list_));
         meta_class->SetSimpleField(21, "time2", a8::reflect::ET_STRING, my_offsetof2(SkillNumber, time2_));
+        meta_class->SetSimpleField(22, "range4", a8::reflect::ET_STRING, my_offsetof2(SkillNumber, range4_));
       }
       return meta_class;
     }
diff --git a/server/tools/protobuild/mt.proto b/server/tools/protobuild/mt.proto
index d16333ea..611a7c08 100755
--- a/server/tools/protobuild/mt.proto
+++ b/server/tools/protobuild/mt.proto
@@ -356,6 +356,7 @@ message SkillNumber
     optional string range = 12;
     optional string range2 = 13;
     optional string range3 = 21;
+    optional string range4 = 23;
     optional string time = 14;
     optional string cd = 15;
     optional int32 buff_id = 16;