diff --git a/modules/book/src/main/java/me/ag2s/epublib/domain/LazyResource.java b/modules/book/src/main/java/me/ag2s/epublib/domain/LazyResource.java
index 6d5d897be..3492007f4 100644
--- a/modules/book/src/main/java/me/ag2s/epublib/domain/LazyResource.java
+++ b/modules/book/src/main/java/me/ag2s/epublib/domain/LazyResource.java
@@ -101,13 +101,6 @@ public class LazyResource extends Resource {
                 throw new IOException(
                         "Could not load the contents of resource: " + this.getHref());
             } else {
-                /*掌上书苑有很多自制书OPF的nameSpace格式不标准，强制修复成正确的格式*/
-                if (getHref().endsWith("opf")) {
-                    String string = new String(readData)
-                            .replace(" smlns=\"", " xmlns=\"")
-                            .replace(" mlns=\"", " xmlns=\"");
-                    readData = string.getBytes();
-                }
                 this.data = readData;
             }
 
diff --git a/modules/book/src/main/java/me/ag2s/epublib/epub/PackageDocumentReader.java b/modules/book/src/main/java/me/ag2s/epublib/epub/PackageDocumentReader.java
index dcc6debb4..b798be23c 100644
--- a/modules/book/src/main/java/me/ag2s/epublib/epub/PackageDocumentReader.java
+++ b/modules/book/src/main/java/me/ag2s/epublib/epub/PackageDocumentReader.java
@@ -48,6 +48,12 @@ public class PackageDocumentReader extends PackageDocumentBase {
             Resource packageResource, EpubReader epubReader, EpubBook book,
             Resources resources)
             throws SAXException, IOException {
+        /*掌上书苑有很多自制书OPF的nameSpace格式不标准，强制修复成正确的格式*/
+        String string = new String(packageResource.getData())
+                .replace(" smlns=\"", " xmlns=\"")
+                .replace(" mlns=\"", " xmlns=\"");
+        packageResource.setData(string.getBytes());
+
         Document packageDocument = ResourceUtil.getAsDocument(packageResource);
         String packageHref = packageResource.getHref();
         resources = fixHrefs(packageHref, resources);
diff --git a/modules/book/src/main/java/me/ag2s/epublib/epub/ResourcesLoader.java b/modules/book/src/main/java/me/ag2s/epublib/epub/ResourcesLoader.java
index 5f034856d..8aa0c428c 100644
--- a/modules/book/src/main/java/me/ag2s/epublib/epub/ResourcesLoader.java
+++ b/modules/book/src/main/java/me/ag2s/epublib/epub/ResourcesLoader.java
@@ -75,14 +75,6 @@ public class ResourcesLoader {
             } else {
                 resource = ResourceUtil
                         .createResource(zipEntry.getName(), zipFileWrapper.getInputStream(zipEntry));
-                /*掌上书苑有很多自制书OPF的nameSpace格式不标准，强制修复成正确的格式*/
-                if (href.endsWith("opf")) {
-                    String string = new String(resource.getData())
-                            .replace(" smlns=\"", " xmlns=\"")
-                            .replace(" mlns=\"", " xmlns=\"");
-                    resource.setData(string.getBytes());
-                }
-
             }
 
             if (resource.getMediaType() == MediaTypes.XHTML) {
@@ -134,17 +126,10 @@ public class ResourcesLoader {
             if ((zipEntry == null) || zipEntry.isDirectory()) {
                 continue;
             }
-            String href = zipEntry.getName();
+            //String href = zipEntry.getName();
 
             // store resource
             Resource resource = ResourceUtil.createResource(zipEntry.getName(), zipInputStream);
-            ///*掌上书苑有很多自制书OPF的nameSpace格式不标准，强制修复成正确的格式*/
-            if (href.endsWith("opf")) {
-                String string = new String(resource.getData())
-                        .replace(" smlns=\"", " xmlns=\"")
-                        .replace(" mlns=\"", " xmlns=\"");
-                resource.setData(string.getBytes());
-            }
             if (resource.getMediaType() == MediaTypes.XHTML) {
                 resource.setInputEncoding(defaultHtmlEncoding);
             }