diff --git a/entry/src/main/java/com/wordplat/quickstart/xutils/cache/LruDiskCache.java b/entry/src/main/java/com/wordplat/quickstart/xutils/cache/LruDiskCache.java
index 34d28039ec2e1e3c8140a0adb95fd7dc44c982aa..ee993711cf4bb25fbb19a220302d9f5c782565fc 100644
--- a/entry/src/main/java/com/wordplat/quickstart/xutils/cache/LruDiskCache.java
+++ b/entry/src/main/java/com/wordplat/quickstart/xutils/cache/LruDiskCache.java
@@ -218,9 +218,6 @@ public final class LruDiskCache {
                     result.mkdirs();
                 }catch(SecurityException e){
                     LogUtil.e(e.toString());
-
-                }catch(NullPointerException e){
-                    LogUtil.e(e.toString());
                 }
             }
         } else {
diff --git a/entry/src/main/java/com/wordplat/quickstart/xutils/common/util/FileUtil.java b/entry/src/main/java/com/wordplat/quickstart/xutils/common/util/FileUtil.java
index 1d5e9aa842728a119f50d59c125b487776c77186..d346ac438477475ecd2a2899088643bb7e58b648 100644
--- a/entry/src/main/java/com/wordplat/quickstart/xutils/common/util/FileUtil.java
+++ b/entry/src/main/java/com/wordplat/quickstart/xutils/common/util/FileUtil.java
@@ -72,16 +72,13 @@ public class FileUtil {
         }
         long blockSize = 0;
         long availableBlocks = 0;
-        try {
-            blockSize = stat.getSpace();
-            availableBlocks = stat.getAvailableSpace();
-        } catch (NullPointerException e) {
+        if (stat == null) {
             blockSize = 0;
             availableBlocks = 0;
-            LogUtil.e(e.toString());
+        } else {
+            blockSize = stat.getSpace();
+            availableBlocks = stat.getAvailableSpace();
         }
-
-
         return availableBlocks * blockSize;
     }
 
diff --git a/entry/src/main/java/com/wordplat/quickstart/xutils/http/BaseParams.java b/entry/src/main/java/com/wordplat/quickstart/xutils/http/BaseParams.java
index 06f89305fb2c1a5074494de6e3d13ebe432d80d8..153cb829151c96f4a7aae33d4e57984bb32b835a 100644
--- a/entry/src/main/java/com/wordplat/quickstart/xutils/http/BaseParams.java
+++ b/entry/src/main/java/com/wordplat/quickstart/xutils/http/BaseParams.java
@@ -339,6 +339,7 @@ public abstract class BaseParams {
      *
      * @return RequestBody
      * @throws IOException
+     * @throws NoSuchAlgorithmException
      */
     public RequestBody getRequestBody() throws IOException, NoSuchAlgorithmException {
         checkBodyParams();
diff --git a/entry/src/main/java/com/wordplat/quickstart/xutils/http/request/AssetsRequest.java b/entry/src/main/java/com/wordplat/quickstart/xutils/http/request/AssetsRequest.java
index 3b703c721b1e931fd1d50fa58c8a240082fbb0ab..6a179307c789723dceab318d94e09a34f685feaf 100644
--- a/entry/src/main/java/com/wordplat/quickstart/xutils/http/request/AssetsRequest.java
+++ b/entry/src/main/java/com/wordplat/quickstart/xutils/http/request/AssetsRequest.java
@@ -1,10 +1,7 @@
 package com.wordplat.quickstart.xutils.http.request;
 
-import com.wordplat.quickstart.xutils.common.util.LogUtil;
 import com.wordplat.quickstart.xutils.http.RequestParams;
 
-import ohos.app.Context;
-
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.reflect.Type;
@@ -29,13 +26,6 @@ public class AssetsRequest extends ResRequest {
 
     @Override
     public InputStream getInputStream() throws IOException {
-        if (inputStream == null) {
-            try {
-                contentLength = inputStream.available();
-            } catch (NullPointerException e) {
-                LogUtil.e(e.toString());
-            }
-        }
         return inputStream;
     }
 }
diff --git a/entry/src/main/java/com/wordplat/quickstart/xutils/http/request/ResRequest.java b/entry/src/main/java/com/wordplat/quickstart/xutils/http/request/ResRequest.java
index 959cbd6c6063403e93881de67af13f43f6c4ed4c..844593b691a4f497c5738705fe02c2c014b77dfe 100644
--- a/entry/src/main/java/com/wordplat/quickstart/xutils/http/request/ResRequest.java
+++ b/entry/src/main/java/com/wordplat/quickstart/xutils/http/request/ResRequest.java
@@ -113,13 +113,6 @@ public class ResRequest extends UriRequest {
 
     @Override
     public InputStream getInputStream() throws IOException {
-        if (inputStream == null) {
-            try {
-                contentLength = inputStream.available();
-            } catch (NullPointerException e) {
-                LogUtil.e(e.toString());
-            }
-        }
         return inputStream;
     }
 
diff --git a/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/detector/GestureDetector.java b/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/detector/GestureDetector.java
index 95925daeb99ac7c3f9d31079f39bf9998067925e..a5d6602b3ee60bfe82c249fb8d63a70b67cb770c 100644
--- a/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/detector/GestureDetector.java
+++ b/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/detector/GestureDetector.java
@@ -434,7 +434,7 @@ public class GestureDetector {
     /**
      * isLongpressEnabled
      *
-     * @return
+     * @return isLongpressEnabled
      */
     public boolean isLongpressEnabled() {
         return mIsLongpressEnabled;
diff --git a/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/entry/StockIndex.java b/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/entry/StockIndex.java
index eb67d64a701e6449455dacd34361c7a1b70f38e5..58747c606113b313dad21713f9d03b1f81d885ba 100644
--- a/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/entry/StockIndex.java
+++ b/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/entry/StockIndex.java
@@ -295,7 +295,7 @@ public abstract class StockIndex {
     /**
      * getDeltaY
      *
-     * @return
+     * @return getDeltaY
      */
     public float getDeltaY() {
         return maxY - minY;