diff --git a/app/src/main/java/io/legado/app/data/entities/rule/ExploreRule.kt b/app/src/main/java/io/legado/app/data/entities/rule/ExploreRule.kt
index 921210083..7337e0245 100644
--- a/app/src/main/java/io/legado/app/data/entities/rule/ExploreRule.kt
+++ b/app/src/main/java/io/legado/app/data/entities/rule/ExploreRule.kt
@@ -23,7 +23,6 @@ data class ExploreRule(
             if (a.isNotBlank()) {
                 try {
                     if (it.startsWith("<js>", false)) {
-
                         val bindings = SimpleBindings()
                         bindings["baseUrl"] = baseUrl
                         a = AppConst.SCRIPT_ENGINE.eval(
diff --git a/app/src/main/java/io/legado/app/help/JsExtensions.java b/app/src/main/java/io/legado/app/help/JsExtensions.java
new file mode 100644
index 000000000..93dc3ba92
--- /dev/null
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.java
@@ -0,0 +1,50 @@
+package io.legado.app.help;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import io.legado.app.model.analyzeRule.AnalyzeUrl;
+import io.legado.app.utils.Encoder;
+import io.legado.app.utils.StringUtils;
+
+public class JsExtensions {
+
+
+    /**
+     * js实现跨域访问,不能删
+     */
+    public String ajax(String urlStr) {
+        try {
+            AnalyzeUrl analyzeUrl = new AnalyzeUrl(urlStr, null, null, null, null, null);
+/*            Response response = analyzeUrl.getResponseAsync().await();
+            return response.body().toString();*/
+        } catch (Exception e) {
+            return e.getLocalizedMessage();
+        }
+        return null;
+    }
+
+    /**
+     * js实现解码,不能删
+     */
+    public String base64Decoder(String str) {
+        return Encoder.INSTANCE.base64Decoder(str);
+    }
+
+    /**
+     * 章节数转数字
+     */
+    public String toNumChapter(String s) {
+        if (s == null) {
+            return null;
+        }
+        Pattern pattern = Pattern.compile("(第)(.+?)(章)");
+        Matcher matcher = pattern.matcher(s);
+        if (matcher.find()) {
+            return matcher.group(1) + StringUtils.INSTANCE.stringToInt(matcher.group(2)) + matcher.group(3);
+        } else {
+            return s;
+        }
+    }
+
+}
diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt
index 19bb80eec..c3a5a36fd 100644
--- a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt
@@ -5,6 +5,7 @@ import androidx.annotation.Keep
 import io.legado.app.constant.AppConst.SCRIPT_ENGINE
 import io.legado.app.constant.Pattern.JS_PATTERN
 import io.legado.app.data.entities.BaseBook
+import io.legado.app.help.JsExtensions
 import io.legado.app.utils.*
 import java.util.*
 import java.util.regex.Pattern
@@ -515,46 +516,13 @@ class AnalyzeRule(private var book: BaseBook? = null) {
     @Throws(Exception::class)
     private fun evalJS(jsStr: String, result: Any?): Any {
         val bindings = SimpleBindings()
-        bindings["java"] = this
+        bindings["book"] = this
+        bindings["java"] = JsExtensions()
         bindings["result"] = result
         bindings["baseUrl"] = baseUrl
         return SCRIPT_ENGINE.eval(jsStr, bindings)
     }
 
-    /**
-     * js实现跨域访问,不能删
-     */
-    suspend fun ajax(urlStr: String): String? {
-        return try {
-            val analyzeUrl = AnalyzeUrl(urlStr)
-            val response = analyzeUrl.getResponseAsync().await()
-            response.body()
-        } catch (e: Exception) {
-            e.localizedMessage
-        }
-    }
-
-    /**
-     * js实现解码,不能删
-     */
-    fun base64Decoder(str: String): String {
-        return Encoder.base64Decoder(str)
-    }
-
-    /**
-     * 章节数转数字
-     */
-    fun toNumChapter(s: String?): String? {
-        if (s == null) {
-            return null
-        }
-        val pattern = Pattern.compile("(第)(.+?)(章)")
-        val matcher = pattern.matcher(s)
-        return if (matcher.find()) {
-            matcher.group(1) + StringUtils.stringToInt(matcher.group(2)) + matcher.group(3)
-        } else s
-    }
-
     companion object {
         private val putPattern = Pattern.compile("@put:(\\{[^}]+?\\})", Pattern.CASE_INSENSITIVE)
         private val getPattern = Pattern.compile("@get:\\{([^}]+?)\\}", Pattern.CASE_INSENSITIVE)