diff --git a/firmware/V3.1.3/firmware-V3.1.3-smalltv.bin b/firmware/V3.1.3/firmware-V3.1.3-smalltv.bin
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index 0000000..5568f28
Binary files /dev/null and b/firmware/V3.1.3/firmware-V3.1.3-smalltv.bin differ
diff --git a/firmware/V3.1.3/update history.txt b/firmware/V3.1.3/update history.txt
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+++ b/firmware/V3.1.3/update history.txt	
@@ -0,0 +1,10 @@
+V3.1.3 20231206
+1) Fix connect to open WiFi.
+
+V3.1.1 20230827
+1) Small fix, when play the "fack" gif file, which contains no gif content, will cause system reboot.
+
+V3.1.0 20230827
+The new and stable version, with 13 languages on the web.
+
+Due to software structure reason, old firmware earlier than this version is not supported update to this version.
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