diff --git a/history/010_tree_grow/src/main/java/com/gitee/drinkjava2/frog/judge/TreeShapeJudge.java b/history/010_tree_grow/src/main/java/com/gitee/drinkjava2/frog/judge/TreeShapeJudge.java
new file mode 100644
index 0000000..f0c58c8
--- /dev/null
+++ b/history/010_tree_grow/src/main/java/com/gitee/drinkjava2/frog/judge/TreeShapeJudge.java
@@ -0,0 +1,52 @@
+package com.gitee.drinkjava2.frog.judge;
+
+import com.gitee.drinkjava2.frog.Animal;
+import com.gitee.drinkjava2.frog.Env;
+
+/**
+ * TreeShapeJudge to create a tree  
+ */
+public class TreeShapeJudge {//NOSONAR
+
+    private static boolean hasCell(long[][][] cells, int x, int y, int z) { //检查指定位置是否有TREE_CELL
+        if (Animal.outBrainRange(x, y, z))
+            return false;
+        return (cells[x][y][z] & 1) > 0;
+    }
+
+    //@formatter:off
+    private static boolean hasCellAround(long[][][] cells, int x, int y, int z) {//检查四周是否有TREE_CELL
+        if (hasCell(cells, x + 1, y, z))return true;
+        if (hasCell(cells, x - 1, y, z))return true;
+        if (hasCell(cells, x + 1, y+1, z))return true;
+        if (hasCell(cells, x - 1, y+1, z))return true;
+        if (hasCell(cells, x + 1, y-1, z))return true;
+        if (hasCell(cells, x - 1, y-1, z))return true;
+        if (hasCell(cells, x, y+1, z))return true;
+        if (hasCell(cells, x, y-1, z))return true;
+        return false;
+    }
+    //@formatter:on
+
+    public static void judge(Animal animal) {
+        long[][][] cells = animal.cells;
+        for (int x = 0; x < Env.BRAIN_CUBE_SIZE; x++)
+            for (int y = 0; y < Env.BRAIN_CUBE_SIZE; y++)
+                for (int z = 0; z <= Env.BRAIN_CUBE_SIZE - 2; z++) {
+                    long cell = cells[x][y][z];
+                    if ((cell & 1) > 0) {
+                        if ((z == 0 && x == Env.BRAIN_XSIZE / 2 && y == Env.BRAIN_YSIZE / 2) //如果在底部中心
+                                || //或
+                                (!hasCell(cells, x, y, z - 1) // 正下方没有cell
+                                        && !hasCellAround(cells, x, y, z) //且周围没有cell   
+                                        && hasCellAround(cells, x, y, z - 1) //且下方周围有cell
+                                ))
+                            animal.awardAA();
+                        else
+                            animal.penaltyAA();
+                    }
+                }
+
+    }
+
+}