diff --git a/README.md b/README.md
index 2a23664..5a83307 100644
--- a/README.md
+++ b/README.md
@@ -44,13 +44,27 @@ A plugin that does one thing only: **Detect** and **Manage** duplicate items in
# Changelog
-## v3.0.1
+## v3.0.2
Click here to show more.
In this version, we have made the following changes:
+1. 🐛 **FIX!**: We have fixed the progress window icon bug in Zotero 7.0.0-beta.77.
+2. 🧬 **CHANGE!**: We have updated the style of duplicate detection dialog.
+3. 🧬 **CHANGE!**: We have updated the icon style in preference pane.
+4. 🧬 **CHANGE!**: Items with different `itemType` will not be considered as duplicates.
+
+
+
+## v3.0.1
+
+
+ Click here to show more.
+
+In this version, we have made the following changes:
+
1. 🧬 **CHANGE!**: We have updated the UI of buttons in the duplicate pane.
2. 🐛 **FIX!**: We have optimized the performance of duplicate search and detection.
@@ -58,7 +72,7 @@ In this version, we have made the following changes:
## v3.0.0
-
+Click here to show more.
In this version, we have made the following changes:
diff --git a/addon/chrome/content/icons/preficon.svg b/addon/chrome/content/icons/preficon.svg
index 1157032..a46fc6f 100644
--- a/addon/chrome/content/icons/preficon.svg
+++ b/addon/chrome/content/icons/preficon.svg
@@ -1,4 +1,4 @@
-