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 9431fe7ef..24bcd37ac 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
@@ -63,10 +63,6 @@ class AnalyzeRule(
     private var analyzeByJSoup: AnalyzeByJSoup? = null
     private var analyzeByJSonPath: AnalyzeByJSonPath? = null
 
-    private var objectChangedXP = false
-    private var objectChangedJS = false
-    private var objectChangedJP = false
-
     private val stringRuleCache = hashMapOf<String, List<SourceRule>>()
 
     private var coroutineContext: CoroutineContext = EmptyCoroutineContext
@@ -80,9 +76,9 @@ class AnalyzeRule(
             else -> content.toString().isJson()
         }
         setBaseUrl(baseUrl)
-        objectChangedXP = true
-        objectChangedJS = true
-        objectChangedJP = true
+        analyzeByXPath = null
+        analyzeByJSoup = null
+        analyzeByJSonPath = null
         return this
     }
 
@@ -114,9 +110,8 @@ class AnalyzeRule(
         return if (o != content) {
             AnalyzeByXPath(o)
         } else {
-            if (analyzeByXPath == null || objectChangedXP) {
+            if (analyzeByXPath == null) {
                 analyzeByXPath = AnalyzeByXPath(content!!)
-                objectChangedXP = false
             }
             analyzeByXPath!!
         }
@@ -129,9 +124,8 @@ class AnalyzeRule(
         return if (o != content) {
             AnalyzeByJSoup(o)
         } else {
-            if (analyzeByJSoup == null || objectChangedJS) {
+            if (analyzeByJSoup == null) {
                 analyzeByJSoup = AnalyzeByJSoup(content!!)
-                objectChangedJS = false
             }
             analyzeByJSoup!!
         }
@@ -144,9 +138,8 @@ class AnalyzeRule(
         return if (o != content) {
             AnalyzeByJSonPath(o)
         } else {
-            if (analyzeByJSonPath == null || objectChangedJP) {
+            if (analyzeByJSonPath == null) {
                 analyzeByJSonPath = AnalyzeByJSonPath(content!!)
-                objectChangedJP = false
             }
             analyzeByJSonPath!!
         }