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 fc2fc92ff..7a38e2a33 100644
--- a/app/src/main/java/io/legado/app/help/JsExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.kt
@@ -30,12 +30,13 @@ interface JsExtensions {
      */
     fun ajax(urlStr: String): String? {
         return runBlocking {
-            try {
+            kotlin.runCatching {
                 val analyzeUrl = AnalyzeUrl(urlStr)
                 analyzeUrl.getStrResponse(urlStr).body
-            } catch (e: Exception) {
-                e.printStackTrace()
-                e.msg
+            }.onFailure {
+                it.printStackTrace()
+            }.getOrElse {
+                it.msg
             }
         }
     }
@@ -44,13 +45,15 @@ interface JsExtensions {
      * 访问网络,返回Response<String>
      */
     fun connect(urlStr: String): Any {
-        return try {
-            val analyzeUrl = AnalyzeUrl(urlStr)
-            runBlocking {
+        return runBlocking {
+            kotlin.runCatching {
+                val analyzeUrl = AnalyzeUrl(urlStr)
                 analyzeUrl.getStrResponse(urlStr)
+            }.onFailure {
+                it.printStackTrace()
+            }.getOrElse {
+                it.msg
             }
-        } catch (e: Exception) {
-            e.msg
         }
     }
 
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 6fc8e2146..a1d75941c 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
@@ -62,10 +62,10 @@ class AnalyzeRule(val ruleData: RuleDataInterface) : JsExtensions {
     fun setBaseUrl(baseUrl: String?): AnalyzeRule {
         baseUrl?.let {
             this.baseUrl = baseUrl
-            try {
+            kotlin.runCatching {
                 baseURL = URL(baseUrl.substringBefore(","))
-            } catch (e: Exception) {
-                e.printStackTrace()
+            }.onFailure {
+                it.printStackTrace()
             }
         }
         return this
@@ -229,11 +229,9 @@ class AnalyzeRule(val ruleData: RuleDataInterface) : JsExtensions {
             }
         }
         if (result == null) result = ""
-        val str = try {
+        val str = kotlin.runCatching {
             Entities.unescape(result.toString())
-        } catch (e: Exception) {
-            result.toString()
-        }
+        }.getOrDefault(result.toString())
         if (isUrl) {
             return if (str.isBlank()) {
                 baseUrl ?: ""
@@ -654,12 +652,13 @@ class AnalyzeRule(val ruleData: RuleDataInterface) : JsExtensions {
      */
     override fun ajax(urlStr: String): String? {
         return runBlocking {
-            try {
+            kotlin.runCatching {
                 val analyzeUrl = AnalyzeUrl(urlStr, book = book)
                 analyzeUrl.getStrResponse(urlStr).body
-            } catch (e: Exception) {
-                e.printStackTrace()
-                e.msg
+            }.onFailure {
+                it.printStackTrace()
+            }.getOrElse {
+                it.msg
             }
         }
     }
diff --git a/app/src/main/java/io/legado/app/service/AudioPlayService.kt b/app/src/main/java/io/legado/app/service/AudioPlayService.kt
index d895def23..805fdfc14 100644
--- a/app/src/main/java/io/legado/app/service/AudioPlayService.kt
+++ b/app/src/main/java/io/legado/app/service/AudioPlayService.kt
@@ -120,7 +120,7 @@ class AudioPlayService : BaseService(),
     private fun play() {
         upNotification()
         if (requestFocus()) {
-            try {
+            kotlin.runCatching {
                 AudioPlay.status = Status.STOP
                 postEvent(EventBus.AUDIO_STATE, Status.STOP)
                 mediaPlayer.reset()
@@ -130,10 +130,10 @@ class AudioPlayService : BaseService(),
                 mediaPlayer.setDataSource(this, uri, analyzeUrl.headerMap)
                 mediaPlayer.prepareAsync()
                 handler.removeCallbacks(mpRunnable)
-            } catch (e: Exception) {
-                e.printStackTrace()
+            }.onFailure {
+                it.printStackTrace()
                 launch {
-                    toast("$url ${e.localizedMessage}")
+                    toast("$url ${it.localizedMessage}")
                     stopSelf()
                 }
             }