diff --git a/src/ca-module.cpp b/src/ca-module.cpp
index f12011e..715fe1d 100644
--- a/src/ca-module.cpp
+++ b/src/ca-module.cpp
@@ -478,20 +478,19 @@
 const JsonSection
 CaModule::genProbeResponseJson(const Name& identifier, const std::string& m_probe, const JsonSection& parameterJson)
 {
-    std::vector<std::string> fields;
-    std::string delimiter = ":";
-    size_t last = 0;
-    size_t next = 0;
-    while ((next = m_probe.find(delimiter, last)) != std::string::npos) {
-      fields.push_back(m_probe.substr(last, next - last));
-      last = next + 1;
-    }
-    fields.push_back(m_probe.substr(last));
-
+  std::vector<std::string> fields;
+  std::string delimiter = ":";
+  size_t last = 0;
+  size_t next = 0;
+  while ((next = m_probe.find(delimiter, last)) != std::string::npos) {
+    fields.push_back(m_probe.substr(last, next - last));
+    last = next + 1;
+  }
+  fields.push_back(m_probe.substr(last));
   JsonSection root;
 
   for (size_t i = 0; i < fields.size(); ++i) {
-      root.put(fields.at(i), parameterJson.get(fields.at(i), ""));
+    root.put(fields.at(i), parameterJson.get(fields.at(i), ""));
   }
 
   root.put(JSON_CA_NAME, identifier.toUri());
diff --git a/src/client-module.cpp b/src/client-module.cpp
index b3af7dd..f8d73f6 100644
--- a/src/client-module.cpp
+++ b/src/client-module.cpp
@@ -111,6 +111,9 @@
   if (nameUri != "") {
     m_identityName = Name(nameUri);
   }
+  else {
+    NDN_LOG_TRACE("The JSON_CA_NAME is empty.");
+  }
 }
 
 shared_ptr<Interest>
@@ -137,6 +140,7 @@
       // do nothing
     }
     else {
+      NDN_LOG_TRACE("Randomly create a new name because m_identityName is empty and the param is empty.");
       auto id = std::to_string(random::generateSecureWord64());
       m_identityName = m_ca.m_caName;
       m_identityName.append(id);
diff --git a/tools/ndncert-client.cpp b/tools/ndncert-client.cpp
index 50057ae..4b926c7 100644
--- a/tools/ndncert-client.cpp
+++ b/tools/ndncert-client.cpp
@@ -213,6 +213,7 @@
 static void
 probeCb(const Data& reply)
 {
+  client.onProbeResponse(reply);
   std::cerr << "Step " << nStep++
             << ": Please type in your expected validity period of your certificate."
             << " Type in a number in unit of hour. The CA may change the validity"
@@ -220,8 +221,10 @@
   std::string periodStr;
   getline(std::cin, periodStr);
   int hours = std::stoi(periodStr);
+  auto probeToken = make_shared<Data>(reply);
   face.expressInterest(*client.generateNewInterest(time::system_clock::now(),
-                                                   time::system_clock::now() + time::hours(hours)),
+                                                   time::system_clock::now() + time::hours(hours),
+                                                   Name(), probeToken),
                        bind(&newCb, _2),
                        bind(&onNackCb),
                        bind(&timeoutCb));