diff --git a/zeppelin-web/src/app/notebook/notebook.controller.js b/zeppelin-web/src/app/notebook/notebook.controller.js
index e481e9be4cd..4b02f1a979d 100644
--- a/zeppelin-web/src/app/notebook/notebook.controller.js
+++ b/zeppelin-web/src/app/notebook/notebook.controller.js
@@ -483,20 +483,23 @@ function NotebookCtrl ($scope, $route, $routeParams, $location, $rootScope,
   }
 
   $scope.$on('addParagraph', function (event, paragraph, index) {
-    if ($scope.paragraphUrl) {
+    if ($scope.paragraphUrl || $scope.revisionView === true) {
       return
     }
     addPara(paragraph, index)
   })
 
   $scope.$on('removeParagraph', function (event, paragraphId) {
-    if ($scope.paragraphUrl) {
+    if ($scope.paragraphUrl || $scope.revisionView === true) {
       return
     }
     removePara(paragraphId)
   })
 
   $scope.$on('moveParagraph', function (event, paragraphId, newIdx) {
+    if ($scope.revisionView === true) {
+      return
+    }
     let removedPara = removePara(paragraphId)
     if (removedPara && removedPara.length === 1) {
       addPara(removedPara[0], newIdx)
@@ -958,6 +961,9 @@ function NotebookCtrl ($scope, $route, $routeParams, $location, $rootScope,
   })
 
   $scope.$on('insertParagraph', function (event, paragraphId, position) {
+    if ($scope.revisionView === true) {
+      return
+    }
     let newIndex = -1
     for (let i = 0; i < $scope.note.paragraphs.length; i++) {
       if ($scope.note.paragraphs[i].id === paragraphId) {
diff --git a/zeppelin-web/src/app/notebook/paragraph/paragraph.controller.js b/zeppelin-web/src/app/notebook/paragraph/paragraph.controller.js
index 1a921769f49..ae28e457ba5 100644
--- a/zeppelin-web/src/app/notebook/paragraph/paragraph.controller.js
+++ b/zeppelin-web/src/app/notebook/paragraph/paragraph.controller.js
@@ -610,7 +610,9 @@ function ParagraphCtrl ($scope, $rootScope, $route, $window, $routeParams, $loca
     let session = editor.getSession()
     let dirtyText = session.getValue()
     $scope.dirtyText = dirtyText
-    $scope.startSaveTimer()
+    if ($scope.dirtyText !== $scope.originalText) {
+      $scope.startSaveTimer()
+    }
     setParagraphMode(session, dirtyText, editor.getCursorPosition())
   }
 
@@ -1241,23 +1243,28 @@ function ParagraphCtrl ($scope, $rootScope, $route, $window, $routeParams, $loca
   }
 
   $scope.updateParagraph = function (oldPara, newPara, updateCallback) {
-     // 1. get status, refreshed
+     // 1. can't update on revision view
+    if ($scope.revisionView === true) {
+      return
+    }
+
+     // 2. get status, refreshed
     const statusChanged = (newPara.status !== oldPara.status)
     const resultRefreshed = (newPara.dateFinished !== oldPara.dateFinished) ||
        isEmpty(newPara.results) !== isEmpty(oldPara.results) ||
        newPara.status === ParagraphStatus.ERROR ||
        (newPara.status === ParagraphStatus.FINISHED && statusChanged)
 
-     // 2. update texts managed by $scope
+     // 3. update texts managed by $scope
     $scope.updateAllScopeTexts(oldPara, newPara)
 
-     // 3. execute callback to update result
+     // 4. execute callback to update result
     updateCallback()
 
-     // 4. update remaining paragraph objects
+     // 5. update remaining paragraph objects
     $scope.updateParagraphObjectWhenUpdated(newPara)
 
-     // 5. handle scroll down by key properly if new paragraph is added
+     // 6. handle scroll down by key properly if new paragraph is added
     if (statusChanged || resultRefreshed) {
        // when last paragraph runs, zeppelin automatically appends new paragraph.
        // this broadcast will focus to the newly inserted paragraph