diff --git a/build.gradle b/build.gradle
index 6796aad624ba566ab12cf4291e7ad083fc128e87..8e7d5ed27de5b0b788c4895978e0eea2ba71e12b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@
 apply plugin: 'com.huawei.ohos.app'
 
 ohos {
-    compileSdkVersion 5
+    compileSdkVersion 6
     defaultConfig {
         compatibleSdkVersion 5
     }
diff --git a/entry/build.gradle b/entry/build.gradle
index ca92dc91eed8fa9399cd2435fb066e0ac0647cd1..6aabb021c12fe6b1127a55bc72d9dbe570ec270d 100644
--- a/entry/build.gradle
+++ b/entry/build.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'com.huawei.ohos.hap'
 apply plugin: 'com.huawei.ohos.decctest'
 ohos {
-    compileSdkVersion 5
+    compileSdkVersion 6
     defaultConfig {
         compatibleSdkVersion 5
     }
diff --git a/entry/src/main/config.json b/entry/src/main/config.json
index 0e2cf297293952d6df83cffd1681e0b00a6f7f28..5d5031ff4832b316b82a9bdba02ab96b25752c02 100644
--- a/entry/src/main/config.json
+++ b/entry/src/main/config.json
@@ -5,10 +5,6 @@
     "version": {
       "code": 1000000,
       "name": "1.0.0"
-    },
-    "apiVersion": {
-      "compatible": 5,
-      "target": 5
     }
   },
   "deviceConfig": {},
diff --git a/entry/src/main/java/com/wordplat/quickstart/json/JSONObject.java b/entry/src/main/java/com/wordplat/quickstart/json/JSONObject.java
index 6b43f079d256df39de70589e3982568500ef546f..b12e8930afb45d3107f7781698f57e61f52039e7 100644
--- a/entry/src/main/java/com/wordplat/quickstart/json/JSONObject.java
+++ b/entry/src/main/java/com/wordplat/quickstart/json/JSONObject.java
@@ -89,7 +89,7 @@ public class JSONObject {
     public static final Object NULL = new Object() {
         @Override
         public boolean equals(Object o) {
-            if (o.equals(this) || o == null) {
+            if (o == null || o.equals(this)) {
                 return true;
             }
             return false; // API specifies this broken equals implementation
diff --git a/entry/src/main/java/com/wordplat/quickstart/wight/navigation/BottomNavigation.java b/entry/src/main/java/com/wordplat/quickstart/wight/navigation/BottomNavigation.java
index a0db10d5dbe0833d8eb5968dcf0be8309ff8cb49..09b75c6e71604b4f9cf04b936f23cf10624bef36 100644
--- a/entry/src/main/java/com/wordplat/quickstart/wight/navigation/BottomNavigation.java
+++ b/entry/src/main/java/com/wordplat/quickstart/wight/navigation/BottomNavigation.java
@@ -266,8 +266,9 @@ public class BottomNavigation extends Component implements Component.DrawTask, C
                             * (double) changePose);
             if (touchEffect && i == downPosition) {
                 mPaint.setColor(new Color(0x20000000));
+
                 canvas.drawCircle(
-                        centerX, bottomNavigationHeight / 2, (float) ((double) notSelectedItemWidth * (double) 0.6f), mPaint);
+                        centerX, bottomNavigationHeight / (float)2, (float) ((double) notSelectedItemWidth * (double) 0.6f), mPaint);
             }
 
             if (forceTint) {
@@ -1232,7 +1233,7 @@ public class BottomNavigation extends Component implements Component.DrawTask, C
                 return;
             }
 
-            double itemWidth = layoutWidth / items.size();
+            double itemWidth = layoutWidth / (double)items.size();
             if (itemWidth < minWidth) {
                 itemWidth = minWidth;
             } else if (itemWidth > maxWidth) {
@@ -1249,7 +1250,7 @@ public class BottomNavigation extends Component implements Component.DrawTask, C
                 return;
             }
 
-            float itemWidth = layoutWidth / items.size();
+            float itemWidth = layoutWidth / (float)items.size();
 
             if (itemWidth < minWidth) {
                 itemWidth = minWidth;
@@ -1369,6 +1370,6 @@ public class BottomNavigation extends Component implements Component.DrawTask, C
      * @return int
      */
     protected int dp2px(float dp) {
-        return (int) (getResourceManager().getDeviceCapability().screenDensity / 160 * dp);
+        return (int) (getResourceManager().getDeviceCapability().screenDensity / (double)(160 * dp));
     }
 }
diff --git a/entry/src/main/java/com/wordplat/quickstart/xutils/cache/DiskCacheEntity.java b/entry/src/main/java/com/wordplat/quickstart/xutils/cache/DiskCacheEntity.java
index 629f4279c19ba8866669a93ec245bfb7e8af4669..5fcaa08e1e289e19c33e88a89c2844d0742fb21d 100644
--- a/entry/src/main/java/com/wordplat/quickstart/xutils/cache/DiskCacheEntity.java
+++ b/entry/src/main/java/com/wordplat/quickstart/xutils/cache/DiskCacheEntity.java
@@ -146,7 +146,7 @@ public final class DiskCacheEntity {
         if (lastModify == null) {
             this.lastModify = null;
         } else {
-            this.lastModify = lastModify;
+            this.lastModify = (Date) lastModify.clone();
         }
     }
 
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 8026b2257fe4d131ed3ac6ad71a9eb079e9c2103..959cbd6c6063403e93881de67af13f43f6c4ed4c 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
@@ -170,9 +170,9 @@ public class ResRequest extends UriRequest {
                 }
             } catch (Throwable ex) {
                 LogUtil.w(ex.getMessage(), ex);
-                lastModifiedTime = 0;
+                setLastModifiedTime(0);
             } finally {
-                if (lastModifiedTime == 0) {
+                if (getLastModifiedTime() == 0) {
                     setLastModifiedTime(System.currentTimeMillis());
                 }
             }
diff --git a/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/marker/YAxisTextMarkerView.java b/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/marker/YAxisTextMarkerView.java
index 943b22683cc8b190cd4ab15eac48478958261c3b..81e71908bdee2a020d54cd2bf70590bebfd2709c 100644
--- a/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/marker/YAxisTextMarkerView.java
+++ b/ikvStockChart/src/main/java/com/wordplat/ikvstockchart/marker/YAxisTextMarkerView.java
@@ -106,8 +106,9 @@ public class YAxisTextMarkerView implements IMarkerView {
             String value = decimalFormatter.format(pointCache[1]);
 
             float width = markerTextPaint.measureText(value) + 50;
-
-            highlightPointY = (float) ((double)highlightPointY - height / 2);
+            double y = highlightPointY;
+            double h = height / (double)2;
+            highlightPointY = (float) (y - h);
             if (highlightPointY < contentRect.top) {
                 highlightPointY = contentRect.top;
             }