diff --git a/app/src/main/java/io/legado/app/data/entities/BookSource.kt b/app/src/main/java/io/legado/app/data/entities/BookSource.kt
index fd5053f02..373c31de5 100644
--- a/app/src/main/java/io/legado/app/data/entities/BookSource.kt
+++ b/app/src/main/java/io/legado/app/data/entities/BookSource.kt
@@ -137,7 +137,7 @@ data class BookSource(
                         if (a.isBlank()) {
                             val bindings = SimpleBindings()
                             bindings["baseUrl"] = bookSourceUrl
-                            bindings["java"] = JsExtensions()
+                            bindings["java"] = JsExtensions
                             a = AppConst.SCRIPT_ENGINE.eval(
                                 it.substring(4, it.lastIndexOf("<")),
                                 bindings
diff --git a/app/src/main/java/io/legado/app/help/JsExtensions.kt b/app/src/main/java/io/legado/app/help/JsExtensions.kt
index f317c52b5..ad4024379 100644
--- a/app/src/main/java/io/legado/app/help/JsExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.kt
@@ -8,7 +8,7 @@ import java.util.regex.Pattern
 
 
 @Suppress("unused")
-class JsExtensions {
+object JsExtensions {
 
     /**
      * js实现跨域访问,不能删
diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt
index 8c9730fa8..8e6ded010 100644
--- a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt
@@ -9,6 +9,7 @@ import io.legado.app.constant.Pattern.JS_PATTERN
 import io.legado.app.data.api.IHttpGetApi
 import io.legado.app.data.api.IHttpPostApi
 import io.legado.app.data.entities.BaseBook
+import io.legado.app.help.JsExtensions
 import io.legado.app.help.http.HttpHelper
 import io.legado.app.utils.*
 import kotlinx.coroutines.Deferred
@@ -139,6 +140,7 @@ class AnalyzeUrl(
             var jsEval: Any
             val sb = StringBuffer(ruleUrl.length)
             val simpleBindings = SimpleBindings()
+            simpleBindings["java"] = JsExtensions
             simpleBindings["baseUrl"] = baseUrl
             simpleBindings["page"] = page
             simpleBindings["key"] = key
@@ -238,7 +240,7 @@ class AnalyzeUrl(
         book: BaseBook?
     ): Any {
         val bindings = SimpleBindings()
-        bindings["java"] = this
+        bindings["java"] = JsExtensions
         bindings["page"] = page
         bindings["key"] = key
         bindings["book"] = book