diff --git a/public/themes/joker.css b/public/themes/joker.css
new file mode 100644
index 000000000..f6aca90e7
--- /dev/null
+++ b/public/themes/joker.css
@@ -0,0 +1,11 @@
+:root {
+    --bg-color: #1a0e25;
+    --main-color: #99de1e;
+    --caret-color: #99de1e;
+    --sub-color: #7554a3;
+    --text-color: #e9e2f5;
+    --error-color: #e32b2b;
+    --error-extra-color: #A62626;
+    --colorful-error-color: #e32b2b;
+    --colorful-error-extra-color: #A62626;
+}
\ No newline at end of file
diff --git a/public/themes/list.json b/public/themes/list.json
index 24f70528f..6c627c4b7 100644
--- a/public/themes/list.json
+++ b/public/themes/list.json
@@ -218,6 +218,11 @@
         "name": "cyberspace",
         "bgColor": "#181c18",
         "textColor": "#00ce7c"
+    },
+    {
+        "name": "joker",
+        "bgColor": "#1a0e25",
+        "textColor": "#99de1e"
     }
     
 ]