diff --git a/app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt b/app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt
index 8d7ccf175..26d1c7c5e 100644
--- a/app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt
+++ b/app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt
@@ -2,6 +2,7 @@ package io.legado.app.help.coroutine
 
 import kotlinx.coroutines.*
 
+
 class Coroutine<T>() {
 
     companion object {
diff --git a/app/src/main/java/io/legado/app/help/permission/Request.kt b/app/src/main/java/io/legado/app/help/permission/Request.kt
index c13a84e82..1fc765bf9 100644
--- a/app/src/main/java/io/legado/app/help/permission/Request.kt
+++ b/app/src/main/java/io/legado/app/help/permission/Request.kt
@@ -87,9 +87,9 @@ internal class Request : OnRequestPermissionsResultCallback {
         } else {
             if (deniedPermissions != null) {
                 source?.context?.startActivity<PermissionActivity>(
-                    Pair(PermissionActivity.KEY_INPUT_REQUEST_TYPE, TYPE_REQUEST_PERMISSION),
-                    Pair(PermissionActivity.KEY_INPUT_PERMISSIONS_CODE, requestCode),
-                    Pair(PermissionActivity.KEY_INPUT_PERMISSIONS, deniedPermissions)
+                    PermissionActivity.KEY_INPUT_REQUEST_TYPE to TYPE_REQUEST_PERMISSION,
+                    PermissionActivity.KEY_INPUT_PERMISSIONS_CODE to requestCode,
+                    PermissionActivity.KEY_INPUT_PERMISSIONS to deniedPermissions
                 )
             } else {
                 onPermissionsGranted(requestCode)
@@ -133,10 +133,7 @@ internal class Request : OnRequestPermissionsResultCallback {
                     .setMessage(rationale)
                     .setPositiveButton(R.string.dialog_setting) { _, _ ->
                         it.startActivity<PermissionActivity>(
-                            Pair(
-                                PermissionActivity.KEY_INPUT_REQUEST_TYPE,
-                                TYPE_REQUEST_SETTING
-                            )
+                            PermissionActivity.KEY_INPUT_REQUEST_TYPE to TYPE_REQUEST_SETTING
                         )
                     }
                     .setNegativeButton(R.string.dialog_cancel) { _, _ -> cancel() }
diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSonPath.kt b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSonPath.kt
index 79c6fa28e..5cd851307 100644
--- a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSonPath.kt
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSonPath.kt
@@ -3,6 +3,7 @@ package io.legado.app.model.analyzeRule
 import android.text.TextUtils
 import com.jayway.jsonpath.JsonPath
 import com.jayway.jsonpath.ReadContext
+import io.legado.app.utils.splitNotBlank
 import java.util.*
 import java.util.regex.Pattern
 
@@ -24,10 +25,10 @@ class AnalyzeByJSonPath {
         val rules: Array<String>
         val elementsType: String
         if (rule.contains("&&")) {
-            rules = rule.split("&&".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+            rules = rule.splitNotBlank("&&")
             elementsType = "&"
         } else {
-            rules = rule.split("\\|\\|".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+            rules = rule.splitNotBlank("||")
             elementsType = "|"
         }
         if (rules.size == 1) {
diff --git a/app/src/main/java/io/legado/app/ui/search/SearchViewModel.kt b/app/src/main/java/io/legado/app/ui/search/SearchViewModel.kt
index fa765695e..491f9f7af 100644
--- a/app/src/main/java/io/legado/app/ui/search/SearchViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/search/SearchViewModel.kt
@@ -24,6 +24,7 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
                 channel.send(it)
             }
         }
+
         val c = execute {
             val response: String = HttpHelper.getApiService<CommonHttpApi>(
                 "http://www.baidu.com"
@@ -32,7 +33,6 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
             delay(2000L)
 
             response
-
         }
             .onStart {
                 Log.e("TAG!", "start")
@@ -54,7 +54,8 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
         val c2 = plus(c)
 //            .timeout { 100L }
 //            .onErrorReturn { "error return2" }
-            .onStart {//会拦截掉c的onStart
+            .onStart {
+                //会拦截掉c的onStart
                 Log.e("TAG!", "start2")
                 start?.let { it() }
             }
@@ -69,12 +70,11 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
                 if (finally != null) {
                     finally()
                 }
+
                 Log.e("TAG!", "rec2: " + channel.receive())
             }
 
-
         launch {
-
             delay(1500L)
 //            c2.cancel()
 
diff --git a/app/src/main/java/io/legado/app/utils/StringExtensions.kt b/app/src/main/java/io/legado/app/utils/StringExtensions.kt
index de179f1da..c90c8eba9 100644
--- a/app/src/main/java/io/legado/app/utils/StringExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/StringExtensions.kt
@@ -23,11 +23,14 @@ fun String?.htmlFormat(): String = if (this.isNullOrBlank()) "" else
         .replace("^[\\n\\s]+".toRegex(), "　　")//移除开头空行,并增加段前缩进2个汉字
         .replace("[\\n\\s]+$".toRegex(), "") //移除尾部空行
 
-fun String?.splitNotBlank(delim: String) = this?.run {
-    if (!this.contains(delim)) sequenceOf(this) else
-        this.split(delim).asSequence().map { it.trim() }.filterNot { it.isBlank() }
+fun String.splitNotBlank(delimiter: String): Array<String> = run {
+    this.split(delimiter).map { it.trim() }.filterNot { it.isBlank() }.toTypedArray()
 }
 
-fun String?.startWithIgnoreCase(start: String): Boolean {
-    return if (this.isNullOrBlank()) false else startsWith(start, true)
+fun String.splitNotBlank(regex: Regex): Array<String> = run {
+    this.split(regex).map { it.trim() }.filterNot { it.isBlank() }.toTypedArray()
+}
+
+fun String.startWithIgnoreCase(start: String): Boolean {
+    return if (this.isBlank()) false else startsWith(start, true)
 }
\ No newline at end of file