diff --git a/lib/zin/wg/think3c/js/v1.js b/lib/zin/wg/think3c/js/v1.js
index 854dd51410..bf858c3cf6 100644
--- a/lib/zin/wg/think3c/js/v1.js
+++ b/lib/zin/wg/think3c/js/v1.js
@@ -97,5 +97,20 @@ function getRegionInfo(pixels, visited, x, y, width, height)
 {
     const region = {area: 0, rows: []};
 
+    /* 创建栈数据结构。*/
+    /* Create a stack data structure.*/
+    const stack = [[x, y]];
+    while(stack.length > 0)
+    {
+        const [currentX, currentY] = stack.pop();
+
+        const index = (currentY * width * 4) + (currentX * 4);
+        if(pixels[index] === 255 && !visited[currentY + ',' + currentX])
+        {
+            visited[currentY + ',' + currentX] = true;
+            region.area++;
+        }
+    }
+
     return region;
 }