修复bug

app/src/main/java/io/legado/app/ui/replace/ReplaceRuleActivity.kt

@@ -154,8 +154,8 @@ class ReplaceRuleActivity : VMBaseActivity<ActivityReplaceRuleBinding, ReplaceRu
             else -> {
                 App.db.replaceRuleDao.liveDataSearch("%$searchKey%")
             }
-        }
-        replaceRuleLiveData?.observe(this, {
+        }.apply {
+            observe(this@ReplaceRuleActivity, {
                 if (dataInit) {
                     setResult(Activity.RESULT_OK)
                 }
@@ -163,6 +163,7 @@ class ReplaceRuleActivity : VMBaseActivity<ActivityReplaceRuleBinding, ReplaceRu
                 dataInit = true
             })
         }
+    }
 
     private fun observeGroupData() {
         App.db.replaceRuleDao.liveGroup().observe(this, {
@@ -239,7 +240,7 @@ class ReplaceRuleActivity : VMBaseActivity<ActivityReplaceRuleBinding, ReplaceRu
     }
 
     override fun onQueryTextChange(newText: String?): Boolean {
-        observeReplaceRuleData("%$newText%")
+        observeReplaceRuleData(newText)
         return false
     }