try to fix hyb1996-guest/auto.js3-issues#20

autojs/src/main/java/com/stardust/autojs/core/image/ImageWrapper.java

@@ -117,4 +117,16 @@ public class ImageWrapper {
     public Bitmap getBitmap() {
         return mBitmap;
     }
+
+    public void recycle() {
+        if (mBitmap != null) {
+            mBitmap.recycle();
+            mBitmap = null;
+        }
+        if (mMat != null) {
+            mMat.release();
+            mMat = null;
+        }
+
+    }
 }

autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java

@@ -108,6 +108,9 @@ public class Images {
             return mPreCaptureImage;
         }
         mPreCapture = capture;
+        if(mPreCaptureImage != null){
+            mPreCaptureImage.recycle();
+        }
         mPreCaptureImage = ImageWrapper.ofImage(capture);
         return mPreCaptureImage;
     }