diff --git a/app/src/main/java/io/legado/app/constant/AppConst.kt b/app/src/main/java/io/legado/app/constant/AppConst.kt
index c9e5a6c39..cf37e2b10 100644
--- a/app/src/main/java/io/legado/app/constant/AppConst.kt
+++ b/app/src/main/java/io/legado/app/constant/AppConst.kt
@@ -56,4 +56,15 @@ object AppConst {
     const val notificationIdAudio = 1144772
     const val notificationIdWeb = 1144773
     const val notificationIdDownload = 1144774
+
+    val urlOption: String by lazy {
+        """
+        ,{
+        "charset": "",
+        "method": "POST",
+        "body": "",
+        "headers": {"User-Agent": ""}
+        }
+        """.trimIndent()
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt
index c1d64776f..71ee36149 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt
@@ -367,16 +367,7 @@ class BookSourceEditActivity :
 
     override fun sendText(text: String) {
         if (text == AppConst.keyboardToolChars[0]) {
-            insertText(
-                """
-                ,{
-                "charset": "",
-                "method": "POST",
-                "body": "",
-                "headers": {"User-Agent": ""}
-                }
-                """.trimIndent()
-            )
+            insertText(AppConst.urlOption)
         } else {
             insertText(text)
         }
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt b/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt
index ed18f8b69..d1e1b52e7 100644
--- a/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt
@@ -200,17 +200,7 @@ class RssSourceEditActivity :
 
     override fun sendText(text: String) {
         if (text == AppConst.keyboardToolChars[0]) {
-            insertText(
-                """
-                ,{
-                "charset": "",
-                "method": "POST",
-                "body": "",
-                "headers": {"User-Agent": ""}
-                }
-
-            """.trimIndent()
-            )
+            insertText(AppConst.urlOption)
         } else {
             insertText(text)
         }