diff --git a/lib/zin/wg/think3c/js/v1.js b/lib/zin/wg/think3c/js/v1.js
index d6edcd4cc1..de90489c0b 100644
--- a/lib/zin/wg/think3c/js/v1.js
+++ b/lib/zin/wg/think3c/js/v1.js
@@ -100,6 +100,23 @@ function calculateCardPosition(region)
     const d         = 10;  // 间距
     const rows      = flattenData(region.rows);
     const rowsCount = rows.length;
+
+    let r = 0;
+    while (r < rowsCount)
+    {
+        let totalWidth    = 0;
+        let validStartRow = -1;
+
+        for(let i = r; i < r + h && i < rowsCount; i++)
+        {
+            if(rows[i]?.right) totalWidth += rows[i].right - rows[i].left;
+            if(totalWidth >= minW)
+            {
+                validStartRow = r;
+                break;
+            }
+        }
+    }
 }
 
 /**