diff --git a/src/main/java/org/dromara/easyai/tools/RGBSort.java b/src/main/java/org/dromara/easyai/tools/RGBSort.java
new file mode 100644
index 0000000..9d554ba
--- /dev/null
+++ b/src/main/java/org/dromara/easyai/tools/RGBSort.java
@@ -0,0 +1,18 @@
+package org.dromara.easyai.tools;
+
+import org.dromara.easyai.entity.RGBNorm;
+
+import java.util.Comparator;
+
+public class RGBSort implements Comparator<RGBNorm> {
+
+    @Override
+    public int compare(RGBNorm o1, RGBNorm o2) {
+        if (o1.getNorm() > o2.getNorm()) {
+            return 1;
+        } else if (o1.getNorm() < o2.getNorm()) {
+            return -1;
+        }
+        return 0;
+    }
+}