diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6cae673ed..9f2faeedb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,11 @@
-**2021/08/09**
+**2022/02/27**
 
-1. 修复选择文字不能选择单个文字的bug
-2. 
+* APP内编写规则时，对由XPath|JSOUP|CSS组成的规则进行简单的默认补全。
+* 对需求文本的获取text
+* 对需求文本的img元素(以img结尾)的获取alt属性
+* 对需求链接的获取href属性
+* 对需求图片的获取src属性
+* 详情页预处理存在js/json/正则的不对详情页规则进行补全
+* 多条规则只补全最后一条规则
+* 书源编辑页点击调试/保存时补全开始生效
+* 注意:不改变编辑框内容显示，保存后再次编辑可查看补全后的规则，方便调试时快速修改规则
diff --git a/app/src/main/java/io/legado/app/help/ruleComplete.kt b/app/src/main/java/io/legado/app/help/ruleComplete.kt
new file mode 100644
index 000000000..2f608f33b
--- /dev/null
+++ b/app/src/main/java/io/legado/app/help/ruleComplete.kt
@@ -0,0 +1,48 @@
+package io.legado.app.help
+
+// 补全时忽略匹配规则
+val completeIgnore=Regex("""\\n|##|@js:|<js>|@Json:|\$.|(text|ownText|textNodes|href|content|html|alt|all|value|src)(\(\)|##.*)?\s*$""")
+// 补全时忽略匹配的规则(仅对详情页预处理规则生效)
+val completeIgnorePreRule=Regex("""^:|##|@js:|<js>|@Json:|\$.""")
+// 匹配从图片获取信息的规则
+val imgComplete=Regex("""(?<=(tag\.|[\+/@~>\| \&]))img[@/]text(\(\))?$|^img[@/]text(\(\))?$""",RegexOption.IGNORE_CASE)
+/**
+ * 对简单规则进行补全，简化部分书源规则的编写
+ * 该方法仅对对JSOUP/XPath/CSS规则生效
+ * @author 希弥
+ * @return 补全后的规则 或 原规则
+ * @param rules 需要补全的规则
+ * @param preRule 预处理规则
+ *  用于分析详情页预处理规则
+ * @param type 补全结果的类型，可选的值有:
+ *  1 文字(默认)
+ *  2 链接
+ *  3 图片
+ */
+fun ruleComplete(rule:String?,preRule:String?="",type:Int=1):String?{
+    if (rule.isNullOrEmpty()||rule.contains(completeIgnore)||preRule?.contains(completeIgnorePreRule)?:false){
+        return rule
+    }
+    var textRule:String
+    var linkRule:String
+    var imgRule:String
+    var imgText:String
+    if (rule.contains(Regex("/[^@]+$"))){
+        textRule="/text()"
+        linkRule="/@href"
+        imgRule="/@src"
+        imgText="img/@alt"
+    }else{
+        textRule="@text"
+        linkRule="@href"
+        imgRule="@src"
+        imgText="img@alt"
+    }
+    var ret:String=rule
+    when(type){
+        1 -> ret = rule.replace(Regex("$"),textRule).replace(imgComplete,imgText)
+        2 -> ret = rule.replace(Regex("$"),linkRule)
+        3 -> ret = rule.replace(Regex("$"),imgRule)
+    }
+    return ret
+}
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 804d534c4..044fb660c 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
@@ -21,6 +21,7 @@ import io.legado.app.data.entities.BookSource
 import io.legado.app.data.entities.rule.*
 import io.legado.app.databinding.ActivityBookSourceEditBinding
 import io.legado.app.help.LocalConfig
+import io.legado.app.help.ruleComplete
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.dialogs.selector
 import io.legado.app.lib.theme.backgroundColor
@@ -327,63 +328,63 @@ class BookSourceEditActivity :
                 "searchUrl" -> source.searchUrl = it.value
                 "checkKeyWord" -> searchRule.checkKeyWord = it.value
                 "bookList" -> searchRule.bookList = it.value
-                "name" -> searchRule.name = it.value
-                "author" -> searchRule.author = it.value
-                "kind" -> searchRule.kind = it.value
-                "intro" -> searchRule.intro = it.value
-                "updateTime" -> searchRule.updateTime = it.value
-                "wordCount" -> searchRule.wordCount = it.value
-                "lastChapter" -> searchRule.lastChapter = it.value
-                "coverUrl" -> searchRule.coverUrl = it.value
-                "bookUrl" -> searchRule.bookUrl = it.value
+                "name" -> searchRule.name = ruleComplete(it.value)
+                "author" -> searchRule.author = ruleComplete(it.value)
+                "kind" -> searchRule.kind = ruleComplete(it.value)
+                "intro" -> searchRule.intro = ruleComplete(it.value)
+                "updateTime" -> searchRule.updateTime = ruleComplete(it.value)
+                "wordCount" -> searchRule.wordCount = ruleComplete(it.value)
+                "lastChapter" -> searchRule.lastChapter = ruleComplete(it.value)
+                "coverUrl" -> searchRule.coverUrl = ruleComplete(it.value,type=3)
+                "bookUrl" -> searchRule.bookUrl = ruleComplete(it.value,type=2)
             }
         }
         findEntities.forEach {
             when (it.key) {
                 "exploreUrl" -> source.exploreUrl = it.value
                 "bookList" -> exploreRule.bookList = it.value
-                "name" -> exploreRule.name = it.value
-                "author" -> exploreRule.author = it.value
-                "kind" -> exploreRule.kind = it.value
-                "intro" -> exploreRule.intro = it.value
-                "updateTime" -> exploreRule.updateTime = it.value
-                "wordCount" -> exploreRule.wordCount = it.value
-                "lastChapter" -> exploreRule.lastChapter = it.value
-                "coverUrl" -> exploreRule.coverUrl = it.value
-                "bookUrl" -> exploreRule.bookUrl = it.value
+                "name" -> exploreRule.name = ruleComplete(it.value)
+                "author" -> exploreRule.author = ruleComplete(it.value)
+                "kind" -> exploreRule.kind = ruleComplete(it.value)
+                "intro" -> exploreRule.intro = ruleComplete(it.value)
+                "updateTime" -> exploreRule.updateTime = ruleComplete(it.value)
+                "wordCount" -> exploreRule.wordCount = ruleComplete(it.value)
+                "lastChapter" -> exploreRule.lastChapter = ruleComplete(it.value)
+                "coverUrl" -> exploreRule.coverUrl = ruleComplete(it.value,type=3)
+                "bookUrl" -> exploreRule.bookUrl = ruleComplete(it.value,type=2)
             }
         }
         infoEntities.forEach {
             when (it.key) {
-                "init" -> bookInfoRule.init = it.value
-                "name" -> bookInfoRule.name = it.value
-                "author" -> bookInfoRule.author = it.value
-                "kind" -> bookInfoRule.kind = it.value
-                "intro" -> bookInfoRule.intro = it.value
-                "updateTime" -> bookInfoRule.updateTime = it.value
-                "wordCount" -> bookInfoRule.wordCount = it.value
-                "lastChapter" -> bookInfoRule.lastChapter = it.value
-                "coverUrl" -> bookInfoRule.coverUrl = it.value
-                "tocUrl" -> bookInfoRule.tocUrl = it.value
+                "init" -> bookInfoRule.init = it.value ?: ""
+                "name" -> bookInfoRule.name = ruleComplete(it.value,bookInfoRule.init)
+                "author" -> bookInfoRule.author = ruleComplete(it.value,bookInfoRule.init)
+                "kind" -> bookInfoRule.kind = ruleComplete(it.value,bookInfoRule.init)
+                "intro" -> bookInfoRule.intro = ruleComplete(it.value,bookInfoRule.init)
+                "updateTime" -> bookInfoRule.updateTime = ruleComplete(it.value,bookInfoRule.init)
+                "wordCount" -> bookInfoRule.wordCount = ruleComplete(it.value,bookInfoRule.init)
+                "lastChapter" -> bookInfoRule.lastChapter = ruleComplete(it.value,bookInfoRule.init)
+                "coverUrl" -> bookInfoRule.coverUrl = ruleComplete(it.value,bookInfoRule.init,3)
+                "tocUrl" -> bookInfoRule.tocUrl = ruleComplete(it.value,bookInfoRule.init,2)
                 "canReName" -> bookInfoRule.canReName = it.value
             }
         }
         tocEntities.forEach {
             when (it.key) {
                 "chapterList" -> tocRule.chapterList = it.value
-                "chapterName" -> tocRule.chapterName = it.value
-                "chapterUrl" -> tocRule.chapterUrl = it.value
+                "chapterName" -> tocRule.chapterName = ruleComplete(it.value)
+                "chapterUrl" -> tocRule.chapterUrl = ruleComplete(it.value,type=2)
                 "isVolume" -> tocRule.isVolume = it.value
                 "updateTime" -> tocRule.updateTime = it.value
                 "isVip" -> tocRule.isVip = it.value
                 "isPay" -> tocRule.isPay = it.value
-                "nextTocUrl" -> tocRule.nextTocUrl = it.value
+                "nextTocUrl" -> tocRule.nextTocUrl = ruleComplete(it.value,type=2)
             }
         }
         contentEntities.forEach {
             when (it.key) {
-                "content" -> contentRule.content = it.value
-                "nextContentUrl" -> contentRule.nextContentUrl = it.value
+                "content" -> contentRule.content = ruleComplete(it.value)
+                "nextContentUrl" -> contentRule.nextContentUrl = ruleComplete(it.value,type=2)
                 "webJs" -> contentRule.webJs = it.value
                 "sourceRegex" -> contentRule.sourceRegex = it.value
                 "replaceRegex" -> contentRule.replaceRegex = it.value
@@ -485,5 +486,4 @@ class BookSourceEditActivity :
             }
         }
     }
-
-}
\ No newline at end of file
+}