diff --git a/src/main/java/work/slhaf/exception/UnexpectedNumberTypeException.java b/src/main/java/work/slhaf/exception/UnexpectedNumberTypeException.java
new file mode 100644
index 0000000..5475bb7
--- /dev/null
+++ b/src/main/java/work/slhaf/exception/UnexpectedNumberTypeException.java
@@ -0,0 +1,7 @@
+package work.slhaf.exception;
+
+public class UnexpectedNumberTypeException extends RuntimeException {
+    public UnexpectedNumberTypeException(String message) {
+        super(message);
+    }
+}
diff --git a/src/main/java/work/slhaf/task/CxstudyTask.java b/src/main/java/work/slhaf/task/CxstudyTask.java
index dfcb6dc..d44158b 100644
--- a/src/main/java/work/slhaf/task/CxstudyTask.java
+++ b/src/main/java/work/slhaf/task/CxstudyTask.java
@@ -9,10 +9,7 @@ import org.openqa.selenium.interactions.Actions;
 import org.openqa.selenium.support.ui.ExpectedConditions;
 import org.openqa.selenium.support.ui.WebDriverWait;
 import work.slhaf.config.Config;
-import work.slhaf.exception.AiRequestException;
-import work.slhaf.exception.AiResponseFormatException;
-import work.slhaf.exception.OcrRequestException;
-import work.slhaf.exception.TargetClassNotFoundException;
+import work.slhaf.exception.*;
 import work.slhaf.pojo.answer.Answer;
 import work.slhaf.pojo.answer.MultiChoiceAnswer;
 import work.slhaf.pojo.answer.SingleChoiceAnswer;
@@ -111,14 +108,38 @@ public class CxstudyTask  {
         try {
             driver.switchTo().frame(i).switchTo().frame(2);
             log.info("开始处理文档浏览...");
-            double lastHeight = (double) executor.executeScript("return document.body.scrollHeight;");
-            double currentHeight = 0;
+            Object lastHeightObject = executor.executeScript("return document.body.scrollHeight;");
+            String numberType = lastHeightObject.getClass().getSimpleName();
+            var lastHeight = switch (numberType){
+                case "Long" -> (Long) lastHeightObject;
+                case "Integer" -> (Integer) lastHeightObject;
+                case "Double" -> (Double) lastHeightObject;
+                default -> throw new UnexpectedNumberTypeException("未设置处理策略的高度值类型:" + numberType);
+            };
+            var currentHeight = switch (numberType){
+                case "Long" -> 0L;
+                case "Integer" -> 0;
+                case "Double" -> 0.0;
+                default -> 0;
+            };
             int step = 2000;
             while (currentHeight < lastHeight) {
                 executor.executeScript("window.scrollBy(0, arguments[0]);", step);
                 Thread.sleep(600);
-                currentHeight = (double) executor.executeScript("return document.body.scrollHeight;");
-                lastHeight = (double) executor.executeScript("return document.body.scrollHeight;");
+                Object tempLastHeightObject = executor.executeScript("return document.body.scrollHeight;");
+                lastHeight = switch (numberType) {
+                    case "Long" -> (Long) tempLastHeightObject;
+                    case "Integer" -> (Integer) tempLastHeightObject;
+                    case "Double" -> (Double) tempLastHeightObject;
+                    default -> throw new UnexpectedNumberTypeException("未设置处理策略的高度值类型: " + numberType);
+                };
+                Object tempCurrentHeightObject = executor.executeScript("return window.scrollY + window.innerHeight;");
+                currentHeight = switch (numberType) {
+                    case "Long" -> (Long) tempCurrentHeightObject;
+                    case "Integer" -> (Integer) tempCurrentHeightObject;
+                    case "Double" -> (Double) tempCurrentHeightObject;
+                    default -> throw new UnexpectedNumberTypeException("未设置处理策略的高度值类型: " + numberType);
+                };
             }
             log.info("文档浏览任务完成!");
         } catch (WebDriverException ignored) {