diff --git a/README.md b/README.md
index 56e69e211d9ad76087c32fdf900a3dfc997db5d9..185c242dc07788fdba09a559674f3d0fafe33eda 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,12 @@ Then, add the following command to gnome-autostart. You should know how to auto-
 
 You're all set! Re-login and have a try!
 
+## FAQ
+
+- Keyring not exist? The name is correct.
+
+run `tools/list_keyrings.sh` to check name of your keyrings. The `login` keyring may be shown as `登录` based on your locale.
+
 ## TODO
 
 This program is using deprecated `libgnome-keyring-1` rather than `libsecret`, only because the author can not understand how to use `libsecret`. There's almost no document! (If you think auto-generated document is document, then all source code are well documented. )
diff --git a/src/unlock_keyrings.cc b/src/unlock_keyrings.cc
index 8e829aedf905a58b6e548ef95bd9649918344129..d17b663c9ce46705a35a2e240cbb829c4308567d 100644
--- a/src/unlock_keyrings.cc
+++ b/src/unlock_keyrings.cc
@@ -43,9 +43,9 @@ int main(int argc, char **argv) {
         auto res = do_unlock(keyring_and_pswd.at(0), keyring_and_pswd.at(1));
         auto msg = keyringResultToString(res);
         if(res == GNOME_KEYRING_RESULT_OK)
-            rlog.info("line {}: {}.", line_num, msg);
+            rlog.info("line {}: Working on keyring `{}`: {}.", line_num, keyring_and_pswd.at(0), msg);
         else {
-            rlog.error("line {}: {}.", line_num, msg);
+            rlog.error("line {}: Working on keyring `{}`: {}.", line_num, keyring_and_pswd.at(0), msg);
             no_error = false;
         }
 
diff --git a/tools/list_keyrings.cc b/tools/list_keyrings.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7696695f6528236b45cb752184750b3d9e01e63f
--- /dev/null
+++ b/tools/list_keyrings.cc
@@ -0,0 +1,14 @@
+// You can use this naive program to know keyring names.
+// eval g++ (pkg-config --cflags --libs gnome-keyring-1) list.cc -o s
+#include <gnome-keyring-1/gnome-keyring.h>
+#include <iostream>
+
+int main() {
+    GList *pRes = nullptr;
+    GnomeKeyringResult res = gnome_keyring_list_keyring_names_sync(&pRes);
+    for(int i = 0; i < g_list_length(pRes); ++i) {
+        gpointer dat = g_list_nth_data(pRes, i);
+        gchar *gs = (gchar *)dat;
+        std::cout << gs << std::endl;
+    }
+}
diff --git a/tools/list_keyrings.sh b/tools/list_keyrings.sh
new file mode 100755
index 0000000000000000000000000000000000000000..bb206f4960ea761fd97069dc512091be50ed448e
--- /dev/null
+++ b/tools/list_keyrings.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+eval g++ $(pkg-config --cflags --libs gnome-keyring-1) list_keyrings.cc -o list.out &&
+./list.out
+