self-java
diff --git a/‎utilcode/src/main/java/com/blankj/utilcode/utils/ConvertUtils.java‎
Lines changed: 4 additions & 2 deletions b/‎utilcode/src/main/java/com/blankj/utilcode/utils/ConvertUtils.java‎
Lines changed: 4 additions & 2 deletions
diff --git a/‎utilcode/src/main/java/com/blankj/utilcode/utils/FileUtils.java‎
Lines changed: 2 additions & 2 deletions b/‎utilcode/src/main/java/com/blankj/utilcode/utils/FileUtils.java‎
Lines changed: 2 additions & 2 deletions
diff --git a/‎utilcode/src/main/java/com/blankj/utilcode/utils/ImageUtils.java‎
Lines changed: 1 addition & 1 deletion b/‎utilcode/src/main/java/com/blankj/utilcode/utils/ImageUtils.java‎
Lines changed: 1 addition & 1 deletion
@@ -14,6 +14,8 @@
 import java.io.OutputStream;
 import java.io.UnsupportedEncodingException;
 
+import static com.blankj.utilcode.utils.ConstUtils.KB;
+
 /**
  * <pre>
  *     author: Blankj
@@ -120,9 +122,9 @@ public static ByteArrayOutputStream input2OutputStream(InputStream is) {
         if (is == null) return null;
         try {
             ByteArrayOutputStream os = new ByteArrayOutputStream();
-            byte[] b = new byte[ConstUtils.KB];
+            byte[] b = new byte[KB];
             int len;
-            while ((len = is.read(b)) != -1) {
+            while ((len = is.read(b, 0, KB)) != -1) {
                 os.write(b, 0, len);
             }
             return os;
 
@@ -665,7 +665,7 @@ public static boolean writeFileFromIS(File file, InputStream is, boolean append)
             os = new BufferedOutputStream(new FileOutputStream(file, append));
             byte data[] = new byte[KB];
             int len;
-            while ((len = is.read(data)) != -1) {
+            while ((len = is.read(data, 0, KB)) != -1) {
                 os.write(data, 0, len);
             }
             return true;
@@ -775,7 +775,7 @@ public static int getFileLines(File file) {
             is = new BufferedInputStream(new FileInputStream(file));
             byte[] buffer = new byte[KB];
             int readChars;
-            while ((readChars = is.read(buffer)) != -1) {
+            while ((readChars = is.read(buffer, 0, KB)) != -1) {
                 for (int i = 0; i < readChars; ++i) {
                     if (buffer[i] == '\n') ++count;
                 }
 
@@ -874,7 +874,7 @@ public static String getImageType(InputStream is) {
         if (is == null) return null;
         try {
             byte[] bytes = new byte[8];
-            return is.read(bytes) != -1 ? getImageType(bytes) : null;
+            return is.read(bytes, 0, 8) != -1 ? getImageType(bytes) : null;
         } catch (IOException e) {
             e.printStackTrace();
             return null;