fix(learn): 命令中的路径用引号包围

Signed-off-by: YdrMaster <[email protected]>

Author: YdrMaster

learn/test.cpp

@@ -13,7 +13,7 @@ constexpr static auto XMAKE = __XMAKE__;
 
 static int process_run(const char *cmd, const char *proj, const char *log) {
     static const auto exercises = fs::absolute(fs::path(XMAKE) / "exercises");
-    auto command = std::string("xmake ") + cmd + " -P " + exercises.string() + ' ' + proj;
+    auto command = std::string("xmake ") + cmd + " -P \"" + exercises.string() + "\" " + proj;
     if (log) {
         command += " >> ";
         command += log;