diff --git a/Core/Core/CoreInstance.cpp b/Core/Core/CoreInstance.cpp
index 7d2e47b..3d316d5 100644
--- a/Core/Core/CoreInstance.cpp
+++ b/Core/Core/CoreInstance.cpp
@@ -34,11 +34,18 @@ CoreInstance::CoreInstance()
 	memorySize_ = System::getMemorySize();
 
 	 std::ifstream main_config_file(main_config_name);
+	std::string payload;
+	
 	 if (main_config_file.fail())
 	 	throw std::runtime_error("Fail open main config file");
 
-	std::string payload;
-	std::getline(main_config_file, payload);
+	main_config_file.seekg(0, std::ios::end);
+	size_t size_config = main_config_file.tellg();
+	main_config_file.seekg(0, std::ios::beg);
+	payload.resize(size_config);
+	
+	main_config_file.read(payload.data(), payload.size());
+	main_config_file.close();
 	SaveMap load_main_config(payload);
 
 	main_config_.load(std::make_shared<SaveMap>(load_main_config));
diff --git a/Core/Game/SaveMap/SaveMap.cpp b/Core/Game/SaveMap/SaveMap.cpp
index dc148f1..ec18bf5 100644
--- a/Core/Game/SaveMap/SaveMap.cpp
+++ b/Core/Game/SaveMap/SaveMap.cpp
@@ -37,6 +37,8 @@ SaveMap::SaveMap(const std::string& json_data)
     {
         size_t key_begin = i = json_data_blank.find_first_of('\"', i) + 1;
         size_t key_end = i = json_data_blank.find_first_of('\"', i);
+        if (0 == key_begin)
+            return;
 
         std::string name = json_data_blank.substr(key_begin, key_end - key_begin);
 
diff --git a/Core/Game/WorldFactory.hpp b/Core/Game/WorldFactory.hpp
index 5e8a006..d9ac6d0 100644
--- a/Core/Game/WorldFactory.hpp
+++ b/Core/Game/WorldFactory.hpp
@@ -25,8 +25,12 @@ struct WorldFactory
     std::ifstream config_file("./Worlds/" #WorldName ".world");\
     if (config_file.fail())\
         throw std::runtime_error("Can't open world file");\
+    config_file.seekg(0, std::ios::end);\
+    size_t file_size = config_file.tellg();\
+    config_file.seekg(0, std::ios::beg);\
     std::string data;\
-    std::getline(config_file, data);\
+    data.resize(file_size);\
+    config_file.read(data.data(), file_size);\
     world->load(std::make_shared<SaveMap>(data));\
     return world;\
 }},
diff --git a/TestGame/Worlds/TestWorld.world b/TestGame/Worlds/TestWorld.world
index b63c26a..ada8632 100644
--- a/TestGame/Worlds/TestWorld.world
+++ b/TestGame/Worlds/TestWorld.world
@@ -1 +1,39 @@
-{"Class name":"TestWorld","dtime":5.000000,"Parent parameters":{"Class name":"World","loActors":[{"Class name":"StaticMesh","Parent parameters":{"Class name":"Mesh","smodel_name_":"TestModel","Parent parameters":{"Class name":"Actor","oloc":{"Class name":"Vector3D","dx":0.0,"dy":0.0,"dz":0.0},"orot":{"Class name":"Vector3D","dx":0.0,"dy":0.0,"dz":0.0},"oscale":{"Class name":"Vector3D","dx":0.0,"dy":0.0,"dz":0.0},"tags":[]}}}]}}
\ No newline at end of file
+{
+	"Class name": "TestWorld",
+	"dtime": 5.000000,
+	"Parent parameters": {
+		"Class name":"World",
+		"vsActorsIDs": ["Mesh"],
+		"loActors": [
+			{
+				"Class name": "StaticMesh",
+				"Parent parameters": {
+					"Class name": "Mesh",
+					"smodel_name_": "TestModel",
+					"Parent parameters": {
+						"Class name":"Actor",
+						"oloc": {
+							"Class name":"Vector3D",
+							"dx":0.0,
+							"dy":0.0,
+							"dz":0.0
+						},
+						"orot": {
+							"Class name":"Vector3D",
+							"dx":0.0,
+							"dy":0.0,
+							"dz":0.0
+						},
+						"oscale": {
+							"Class name": "Vector3D",
+							"dx": 0.0,
+							"dy": 0.0,
+							"dz": 0.0
+						},
+						"tags":[]
+					}
+				}
+			}
+		]
+	}
+}
\ No newline at end of file
diff --git a/TestGame/main_config.conf b/TestGame/main_config.conf
index e2d7189..9f00330 100644
--- a/TestGame/main_config.conf
+++ b/TestGame/main_config.conf
@@ -1 +1,7 @@
-{"Class name":"MainConfig","dmin_memory_size":4096.0,"imin_CPU_count":1,"sgame_name":"Test Game","sbase_world":"TestWorld"}
\ No newline at end of file
+{
+	"Class name": "MainConfig",
+	"dmin_memory_size": 4096.0,
+	"imin_CPU_count": 1,
+	"sgame_name": "Test Game",
+	"sbase_world": "TestWorld"
+}
\ No newline at end of file