Update model.html

wiki/pages/model.html

@@ -97,8 +97,9 @@
         color: #ff6347;
         text-decoration: underline;
     }  
-    ol {
-            line-height: 2; /* 调整行间距 */
+    ol li {
+        margin-bottom: 15px; 
+        /* 调整此值以增大或减小段间距 */
     }
     </style>
 </head>