diff --git a/src/apk_normalized.cpp b/src/apk_normalized.cpp
index d8ceb44..018b59a 100644
--- a/src/apk_normalized.cpp
+++ b/src/apk_normalized.cpp
@@ -65,6 +65,8 @@ static void printUsage(){
            "    if found uncompressed .so file in the zip, need align it to 4k page?\n"
            "      -ap-0         not page-align uncompressed .so files;\n"
            "      -ap-1         DEFAULT, page-align uncompressed .so files.\n"
+           "                        WARNING: if have uncompressed .so file & do page-align,\n"
+           "                                it can't patch by old(version<v1.7.0) ZipPatch!\n"
            "  -nce-isNotCompressEmptyFile\n"
            "    if found compressed empty file in the zip, need change it to not compressed?\n"
            "      -nce-0        keep the original compress setting for empty file;\n"
diff --git a/src/normalized/normalized.cpp b/src/normalized/normalized.cpp
index 9ed533f..134d657 100644
--- a/src/normalized/normalized.cpp
+++ b/src/normalized/normalized.cpp
@@ -224,7 +224,7 @@ bool ZipNormalized(const char* srcApk,const char* dstApk,int ZipAlignSize,int co
                 (int)UnZipper_ApkV2SignSize(&unzipper));
     }
     if (zipper._normalizeSoPageAlignCount>0)
-        printf("WARNING: this is new diffFile format, it can't patch by old(version<v1.7.0) ZipPatch!\n");
+        printf("WARNING: found uncompressed .so file & do page-align, it can't patch by old(version<v1.7.0) ZipPatch!\n");
     printf("src fileCount:%d\nout fileCount:%d\n\n",fileCount,(int)fileIndexs.size());
 
 clear: