diff --git a/bin/2019/README.md b/bin/2019/README.md
index 4960898..d162296 100644
--- a/bin/2019/README.md
+++ b/bin/2019/README.md
@@ -1,6 +1,6 @@
-
-### spiffs.bin ----- 0x00c90000
-
-### 2019 watch.bin ----- 0
-
-![image](./mm.jpg)
+
+### spiffs.bin ----- 0x00c90000
+
+### 2019 watch.bin ----- 0
+
+![image](./mm.jpg)
diff --git a/bin/2020-v1/twatch-2020-v1-220525.bin b/bin/2020-v1/twatch-2020-v1-220531.bin
similarity index 94%
rename from bin/2020-v1/twatch-2020-v1-220525.bin
rename to bin/2020-v1/twatch-2020-v1-220531.bin
index 4fb878c..06c14b8 100644
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diff --git a/bin/2020-v2/twatch-2020-v2-220525.bin b/bin/2020-v2/twatch-2020-v2-220531.bin
similarity index 94%
rename from bin/2020-v2/twatch-2020-v2-220525.bin
rename to bin/2020-v2/twatch-2020-v2-220531.bin
index e91def4..3205dc3 100644
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diff --git a/bin/2020-v3/twatch-2020-v3-220525.bin b/bin/2020-v3/twatch-2020-v3-220531.bin
similarity index 94%
rename from bin/2020-v3/twatch-2020-v3-220525.bin
rename to bin/2020-v3/twatch-2020-v3-220531.bin
index 67ea141..fb0473b 100644
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diff --git a/bin/README.md b/bin/README.md
index 31798d2..fcb7cef 100644
--- a/bin/README.md
+++ b/bin/README.md
@@ -1,3 +1,3 @@
-## This is bin file
-
-![image](https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library/blob/master/bin/SETTING.png)
+## This is bin file
+
+![image](https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library/blob/master/bin/SETTING.png)