chore: 更新应用版本至2.0.51并调整依赖配置

- 将应用版本从2.0.49提升至2.0.51
- 修改edu-core依赖为本地文件引用
- 更新多个页面的下拉刷新和底部加载逻辑
- 优化VIP权限描述，明确不包含论坛权益
- 调整部分页面样式以提升用户体验

package-lock.json

@@ -11,7 +11,7 @@
 			"dependencies": {
 				"animate.css": "^4.1.1",
 				"e-peanut": "file:",
-				"edu-core": "git+https://git.nuttyreading.com/chenghuan/edu-core.git#v1.0.13",
+				"edu-core": "file:../edu-core",
 				"element-plus": "^2.9.6",
 				"epubjs": "^0.3.93",
 				"jquery": "^2.2.4",
@@ -23,6 +23,11 @@
 		" ../edu-core": {
 			"extraneous": true
 		},
+		"../edu-core": {
+			"version": "1.0.13",
+			"license": "ISC",
+			"devDependencies": {}
+		},
 		"node_modules/@babel/helper-string-parser": {
 			"version": "7.27.1",
 			"resolved": "https://registry.npmmirror.com/@babel/helper-string-parser/-/helper-string-parser-7.27.1.tgz",
@@ -435,9 +440,8 @@
 			"link": true
 		},
 		"node_modules/edu-core": {
-			"version": "1.0.13",
-			"resolved": "git+https://git.nuttyreading.com/chenghuan/edu-core.git#b5ece8b8abfeba98428f6e2191efae3312b5036f",
-			"license": "ISC"
+			"resolved": "../edu-core",
+			"link": true
 		},
 		"node_modules/element-plus": {
 			"version": "2.11.5",
@@ -4173,7 +4177,7 @@
 			"requires": {
 				"animate.css": "^4.1.1",
 				"e-peanut": "file:",
-				"edu-core": "git+https://git.nuttyreading.com/chenghuan/edu-core.git#v1.0.13",
+				"edu-core": "file:../edu-core",
 				"element-plus": "^2.9.6",
 				"epubjs": "^0.3.93",
 				"jquery": "^2.2.4",
@@ -4494,8 +4498,7 @@
 					}
 				},
 				"edu-core": {
-					"version": "git+https://git.nuttyreading.com/chenghuan/edu-core.git#b5ece8b8abfeba98428f6e2191efae3312b5036f",
-					"from": "edu-core@git+https://git.nuttyreading.com/chenghuan/edu-core.git#v1.0.13"
+					"version": "file:../edu-core"
 				},
 				"element-plus": {
 					"version": "2.11.5",
@@ -7256,8 +7259,7 @@
 			}
 		},
 		"edu-core": {
-			"version": "git+https://git.nuttyreading.com/chenghuan/edu-core.git#b5ece8b8abfeba98428f6e2191efae3312b5036f",
-			"from": "edu-core@git+https://git.nuttyreading.com/chenghuan/edu-core.git#v1.0.13"
+			"version": "file:../edu-core"
 		},
 		"element-plus": {
 			"version": "2.11.5",