diff --git a/.gitmodules b/.gitmodules
index a1f8734..7c4d7cc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -6,4 +6,4 @@
 	url = https://github.com/wawahejun/rustlings-completed-version
 [submodule "exercises/learning-cxx"]
 	path = exercises/learning-cxx
-	url = https://github.com/wawahejun/learning-cxx
+	url = https://github.com/QueYiXin/learning-cxx.git
diff --git a/eval_result.json b/eval_result.json
index 57f77f5..176a96e 100644
--- a/eval_result.json
+++ b/eval_result.json
@@ -1,17 +1,145 @@
 {
   "exercises": [
     {
-      "name": "model.rs",
+      "name": "exercise00",
       "result": true
     },
     {
-      "name": "operators.rs",
+      "name": "exercise01",
+      "result": true
+    },
+    {
+      "name": "exercise02",
+      "result": true
+    },
+    {
+      "name": "exercise03",
+      "result": true
+    },
+    {
+      "name": "exercise04",
+      "result": true
+    },
+    {
+      "name": "exercise05",
+      "result": true
+    },
+    {
+      "name": "exercise06",
+      "result": true
+    },
+    {
+      "name": "exercise07",
+      "result": true
+    },
+    {
+      "name": "exercise08",
+      "result": true
+    },
+    {
+      "name": "exercise09",
+      "result": true
+    },
+    {
+      "name": "exercise10",
+      "result": true
+    },
+    {
+      "name": "exercise11",
+      "result": true
+    },
+    {
+      "name": "exercise12",
+      "result": true
+    },
+    {
+      "name": "exercise13",
+      "result": true
+    },
+    {
+      "name": "exercise14",
+      "result": true
+    },
+    {
+      "name": "exercise15",
+      "result": true
+    },
+    {
+      "name": "exercise16",
+      "result": true
+    },
+    {
+      "name": "exercise17",
+      "result": true
+    },
+    {
+      "name": "exercise18",
+      "result": true
+    },
+    {
+      "name": "exercise19",
+      "result": true
+    },
+    {
+      "name": "exercise20",
+      "result": true
+    },
+    {
+      "name": "exercise21",
+      "result": true
+    },
+    {
+      "name": "exercise22",
+      "result": true
+    },
+    {
+      "name": "exercise23",
+      "result": true
+    },
+    {
+      "name": "exercise24",
+      "result": true
+    },
+    {
+      "name": "exercise25",
+      "result": true
+    },
+    {
+      "name": "exercise26",
+      "result": true
+    },
+    {
+      "name": "exercise27",
+      "result": true
+    },
+    {
+      "name": "exercise28",
+      "result": true
+    },
+    {
+      "name": "exercise29",
+      "result": true
+    },
+    {
+      "name": "exercise30",
+      "result": true
+    },
+    {
+      "name": "exercise31",
+      "result": true
+    },
+    {
+      "name": "exercise32",
+      "result": true
+    },
+    {
+      "name": "exercise33",
       "result": true
     }
   ],
   "statistics": {
-    "total_exercations": 2,
-    "total_succeeds": 2,
+    "total_exercations": 34,
+    "total_succeeds": 34,
     "total_failures": 0,
     "total_time": 30
   }
diff --git a/exercises/learning-cxx b/exercises/learning-cxx
new file mode 160000
index 0000000..7f53bc7
--- /dev/null
+++ b/exercises/learning-cxx
@@ -0,0 +1 @@
+Subproject commit 7f53bc79e162d04a62404372f0373dc2a5790cd5