diff --git a/assets/vendor/external/geetest/gt4.js b/assets/vendor/external/geetest/gt4.js
index 50a9f2b..69141e3 100644
--- a/assets/vendor/external/geetest/gt4.js
+++ b/assets/vendor/external/geetest/gt4.js
@@ -1,46 +1,50 @@
 /* Geetest GT4 - Local Fallback */
 (function() {
-    'use strict';
-    
-    // 简化的 Geetest 备用实现
-    window.initGeetest4 = function(config, callback) {
-        console.warn('Geetest GT4 本地备用版本 - 功能受限');
-        
-        // 创建一个简单的验证码替代
-        var captcha = {
-            appendTo: function(selector) {
-                var container = document.querySelector(selector);
-                if (container) {
-                    container.innerHTML = '<div style="padding: 20px; border: 1px solid #ddd; text-align: center; background: #f9f9f9;">' +
-                        '<p>验证码服务暂时不可用，请稍后重试</p>' +
-                        '<button type="button" onclick="this.parentNode.parentNode.style.display=\'none\'" style="padding: 5px 15px;">跳过验证</button>' +
-                        '</div>';
-                }
-                return this;
-            },
-            onReady: function(fn) {
-                setTimeout(fn, 100);
-                return this;
-            },
-            onSuccess: function(fn) {
-                // 模拟成功回调
-                return this;
-            },
-            onError: function(fn) {
-                return this;
-            },
-            getValidate: function() {
-                return {
-                    lot_number: 'fallback_' + Date.now(),
-                    captcha_output: 'fallback_output',
-                    pass_token: 'fallback_token',
-                    gen_time: Date.now()
-                };
-            }
-        };
-        
-        if (typeof callback === 'function') {
-            callback(captcha);
-        }
-    };
+	'use strict';
+	
+	// 简化的 Geetest 备用实现
+	window.initGeetest4 = function(config, callback) {
+		console.warn('Geetest GT4 本地备用版本 - 功能受限');
+		
+		// 创建一个简单的验证码替代
+		var captcha = {
+			appendTo: function(selector) {
+				var container = document.querySelector(selector);
+				if (container) {
+					container.innerHTML = '<div style="padding: 20px; border: 1px solid #ddd; text-align: center; background: #f9f9f9;">' +
+						'<p>验证码服务暂时不可用，请稍后重试</p>' +
+						'<button type="button" onclick="this.parentNode.parentNode.style.display=\'none\'" style="padding: 5px 15px;">跳过验证</button>' +
+						'</div>';
+				}
+				return this;
+			},
+			onReady: function(fn) {
+				setTimeout(fn, 100);
+				return this;
+			},
+			onSuccess: function(fn) {
+				// 模拟成功回调
+				return this;
+			},
+			onError: function(fn) {
+				return this;
+			},
+			onClose: function(fn) {
+				// 备用版本不支持关闭事件，但提供空实现避免错误
+				return this;
+			},
+			getValidate: function() {
+				return {
+					lot_number: 'fallback_' + Date.now(),
+					captcha_output: 'fallback_output',
+					pass_token: 'fallback_token',
+					gen_time: Date.now()
+				};
+			}
+		};
+		
+		if (typeof callback === 'function') {
+			callback(captcha);
+		}
+	};
 })();
\ No newline at end of file