diff --git a/.gitignore b/.gitignore
index c91a56b6..ba2c6144 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .DS_Store
 *.txt
+!tencent13147342467085209222.txt
\ No newline at end of file
diff --git a/docs/tencent13147342467085209222.txt b/docs/tencent13147342467085209222.txt
new file mode 100644
index 00000000..d164f268
--- /dev/null
+++ b/docs/tencent13147342467085209222.txt
@@ -0,0 +1 @@
+11898003996130227755
\ No newline at end of file