diff --git a/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/LibraryApiServiceBase.java b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/BaseLibraryApiService.java
similarity index 84%
rename from mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/LibraryApiServiceBase.java
rename to mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/BaseLibraryApiService.java
index d30f5ad..82ed014 100644
--- a/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/LibraryApiServiceBase.java
+++ b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/BaseLibraryApiService.java
@@ -4,10 +4,10 @@ import cn.wustlinghang.mywust.exception.ApiException;
 import cn.wustlinghang.mywust.network.Requester;
 import cn.wustlinghang.mywust.network.entitys.HttpResponse;
 
-public abstract class LibraryApiServiceBase {
+public abstract class BaseLibraryApiService {
     protected final Requester requester;
 
-    public LibraryApiServiceBase(Requester requester) {
+    public BaseLibraryApiService(Requester requester) {
         this.requester = requester;
     }
 
diff --git a/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/BookCoverImageUrlApiService.java b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/BookCoverImageUrlApiService.java
new file mode 100644
index 0000000..58c6349
--- /dev/null
+++ b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/BookCoverImageUrlApiService.java
@@ -0,0 +1,23 @@
+package cn.wustlinghang.mywust.core.request.service.library;
+
+import cn.wustlinghang.mywust.core.request.factory.library.LibraryRequestFactory;
+import cn.wustlinghang.mywust.exception.ApiException;
+import cn.wustlinghang.mywust.network.Requester;
+import cn.wustlinghang.mywust.network.entitys.HttpRequest;
+import cn.wustlinghang.mywust.network.entitys.HttpResponse;
+
+import java.io.IOException;
+
+public class BookCoverImageUrlApiService extends BaseLibraryApiService {
+    public BookCoverImageUrlApiService(Requester requester) {
+        super(requester);
+    }
+
+    public String getBookCoverImageUrl(String isbn) throws ApiException, IOException {
+        HttpRequest request = LibraryRequestFactory.bookCoverImageUrlRequest(isbn);
+        HttpResponse response = requester.get(request);
+        checkResponse(response);
+
+        return response.getStringBody();
+    }
+}
diff --git a/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/BookDetailApiService.java b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/BookDetailApiService.java
new file mode 100644
index 0000000..1a23b6b
--- /dev/null
+++ b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/BookDetailApiService.java
@@ -0,0 +1,24 @@
+package cn.wustlinghang.mywust.core.request.service.library;
+
+import cn.wustlinghang.mywust.core.request.factory.library.LibraryRequestFactory;
+import cn.wustlinghang.mywust.exception.ApiException;
+import cn.wustlinghang.mywust.network.Requester;
+import cn.wustlinghang.mywust.network.entitys.HttpRequest;
+import cn.wustlinghang.mywust.network.entitys.HttpResponse;
+
+import java.io.IOException;
+
+public class BookDetailApiService extends BaseLibraryApiService {
+    public BookDetailApiService(Requester requester) {
+        super(requester);
+    }
+
+    public String getBookDetail(String bookId) throws ApiException, IOException {
+        HttpRequest request = LibraryRequestFactory.bookInfoRequest(bookId);
+        HttpResponse response = requester.get(request);
+        checkResponse(response);
+
+        return response.getStringBody();
+    }
+
+}
diff --git a/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/CurrentLoanApiService.java b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/CurrentLoanApiService.java
new file mode 100644
index 0000000..19a461f
--- /dev/null
+++ b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/CurrentLoanApiService.java
@@ -0,0 +1,24 @@
+package cn.wustlinghang.mywust.core.request.service.library;
+
+import cn.wustlinghang.mywust.core.request.factory.library.LibraryRequestFactory;
+import cn.wustlinghang.mywust.exception.ApiException;
+import cn.wustlinghang.mywust.network.Requester;
+import cn.wustlinghang.mywust.network.entitys.HttpRequest;
+import cn.wustlinghang.mywust.network.entitys.HttpResponse;
+
+import java.io.IOException;
+
+public class CurrentLoanApiService extends BaseLibraryApiService {
+    public CurrentLoanApiService(Requester requester) {
+        super(requester);
+    }
+
+    public String getCurrentLoan(String cookie) throws ApiException, IOException {
+        HttpRequest request = LibraryRequestFactory.currentLoanRequest(cookie);
+        HttpResponse response = requester.get(request);
+        checkResponse(response);
+
+        return response.getStringBody();
+    }
+
+}
diff --git a/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/LibraryApiService.java b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/LibraryApiService.java
deleted file mode 100644
index a5ee439..0000000
--- a/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/LibraryApiService.java
+++ /dev/null
@@ -1,66 +0,0 @@
-package cn.wustlinghang.mywust.core.request.service.library;
-
-import cn.wustlinghang.mywust.exception.ApiException;
-import cn.wustlinghang.mywust.core.request.factory.library.LibraryRequestFactory;
-import cn.wustlinghang.mywust.network.Requester;
-import cn.wustlinghang.mywust.network.entitys.HttpRequest;
-import cn.wustlinghang.mywust.network.entitys.HttpResponse;
-
-import java.io.IOException;
-
-/**
- * 图书馆相关接口，由于返回的数据都是json，特别好解析，所以这里的数据获取到了之后可以直接拿来用，自己来解析
- */
-public class LibraryApiService extends LibraryApiServiceBase {
-    public LibraryApiService(Requester requester) {
-        super(requester);
-    }
-
-    public String search(String keyword, int page, int pageSize) throws ApiException, IOException {
-        HttpRequest request = LibraryRequestFactory.bookSearchRequest(keyword, page, pageSize);
-        HttpResponse response = requester.post(request);
-        checkResponse(response);
-
-        return response.getStringBody();
-    }
-
-    public String getBookDetail(String bookId) throws ApiException, IOException {
-        HttpRequest request = LibraryRequestFactory.bookInfoRequest(bookId);
-        HttpResponse response = requester.get(request);
-        checkResponse(response);
-
-        return response.getStringBody();
-    }
-
-    public String getBookCoverImageUrl(String isbn) throws ApiException, IOException {
-        HttpRequest request = LibraryRequestFactory.bookCoverImageUrlRequest(isbn);
-        HttpResponse response = requester.get(request);
-        checkResponse(response);
-
-        return response.getStringBody();
-    }
-
-    public String getOverdueSoon(String cookie) throws ApiException, IOException {
-        HttpRequest request = LibraryRequestFactory.overdueSoonRequest(cookie);
-        HttpResponse response = requester.get(request);
-        checkResponse(response);
-
-        return response.getStringBody();
-    }
-
-    public String getCurrentLoan(String cookie) throws ApiException, IOException {
-        HttpRequest request = LibraryRequestFactory.currentLoanRequest(cookie);
-        HttpResponse response = requester.get(request);
-        checkResponse(response);
-
-        return response.getStringBody();
-    }
-
-    public String getLoanHistory(String cookie) throws ApiException, IOException {
-        HttpRequest request = LibraryRequestFactory.loanHistoryRequest(cookie);
-        HttpResponse response = requester.get(request);
-        checkResponse(response);
-
-        return response.getStringBody();
-    }
-}
\ No newline at end of file
diff --git a/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/LoanHistoryApiService.java b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/LoanHistoryApiService.java
new file mode 100644
index 0000000..1201a1f
--- /dev/null
+++ b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/LoanHistoryApiService.java
@@ -0,0 +1,23 @@
+package cn.wustlinghang.mywust.core.request.service.library;
+
+import cn.wustlinghang.mywust.core.request.factory.library.LibraryRequestFactory;
+import cn.wustlinghang.mywust.exception.ApiException;
+import cn.wustlinghang.mywust.network.Requester;
+import cn.wustlinghang.mywust.network.entitys.HttpRequest;
+import cn.wustlinghang.mywust.network.entitys.HttpResponse;
+
+import java.io.IOException;
+
+public class LoanHistoryApiService extends BaseLibraryApiService {
+    public LoanHistoryApiService(Requester requester) {
+        super(requester);
+    }
+
+    public String getLoanHistory(String cookie) throws ApiException, IOException {
+        HttpRequest request = LibraryRequestFactory.loanHistoryRequest(cookie);
+        HttpResponse response = requester.get(request);
+        checkResponse(response);
+
+        return response.getStringBody();
+    }
+}
diff --git a/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/OverdueSoonApiService.java b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/OverdueSoonApiService.java
new file mode 100644
index 0000000..578feb0
--- /dev/null
+++ b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/OverdueSoonApiService.java
@@ -0,0 +1,23 @@
+package cn.wustlinghang.mywust.core.request.service.library;
+
+import cn.wustlinghang.mywust.core.request.factory.library.LibraryRequestFactory;
+import cn.wustlinghang.mywust.exception.ApiException;
+import cn.wustlinghang.mywust.network.Requester;
+import cn.wustlinghang.mywust.network.entitys.HttpRequest;
+import cn.wustlinghang.mywust.network.entitys.HttpResponse;
+
+import java.io.IOException;
+
+public class OverdueSoonApiService extends BaseLibraryApiService {
+    public OverdueSoonApiService(Requester requester) {
+        super(requester);
+    }
+
+    public String getOverdueSoon(String cookie) throws ApiException, IOException {
+        HttpRequest request = LibraryRequestFactory.overdueSoonRequest(cookie);
+        HttpResponse response = requester.get(request);
+        checkResponse(response);
+
+        return response.getStringBody();
+    }
+}
diff --git a/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/SearchApiService.java b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/SearchApiService.java
new file mode 100644
index 0000000..07c5447
--- /dev/null
+++ b/mywust-core/src/main/java/cn/wustlinghang/mywust/core/request/service/library/SearchApiService.java
@@ -0,0 +1,24 @@
+package cn.wustlinghang.mywust.core.request.service.library;
+
+import cn.wustlinghang.mywust.core.request.factory.library.LibraryRequestFactory;
+import cn.wustlinghang.mywust.exception.ApiException;
+import cn.wustlinghang.mywust.network.Requester;
+import cn.wustlinghang.mywust.network.entitys.HttpRequest;
+import cn.wustlinghang.mywust.network.entitys.HttpResponse;
+
+import java.io.IOException;
+
+public class SearchApiService extends BaseLibraryApiService {
+    public SearchApiService(Requester requester) {
+        super(requester);
+    }
+
+    public String search(String keyword, int page, int pageSize) throws ApiException, IOException {
+        HttpRequest request = LibraryRequestFactory.bookSearchRequest(keyword, page, pageSize);
+        HttpResponse response = requester.post(request);
+        checkResponse(response);
+
+        return response.getStringBody();
+    }
+
+}