diff --git a/node_modules/user.js b/node_modules/user.js
index 34a1d4b0..03af248c 100644
--- a/node_modules/user.js
+++ b/node_modules/user.js
@@ -378,8 +378,12 @@ User = {
 	// 设为-1, 再刷新就会重新同步
 	fullSyncForce: function(callback) {
 		var me = this;
-		db.users.update({UserId: me.getCurActiveUserId()}, {$set: {LastSyncUsn: -1}}, function() {
-			callback && callback();
+		var userId = me.getCurActiveUserId();
+		db.users.update({UserId: userId}, {$set: {LastSyncUsn: -1}}, function() {
+			// 删除本地账户所有数据
+			me.deleteUserAllData(userId, function () {
+				callback && callback();
+			});
 		});
 	},
 
@@ -530,7 +534,7 @@ User = {
 			// 1. 删除附件,图片
 			me.deleteUserImagesAndAttachsPath(userId);
 
-			// 3. 删除其它表
+			// 2. 删除数据库
 			// 如果有自己独立的表, 则把文件夹删除即可
 			if (userInfo.HasDB) {
 				var dbPath = me.getUserDBPath(userId);
diff --git a/public/langs/en-us.js b/public/langs/en-us.js
index c40f2e74..8dd87f15 100644
--- a/public/langs/en-us.js
+++ b/public/langs/en-us.js
@@ -184,5 +184,5 @@
 	"Tag": "Tag",
 	"Starred": "Starred",
 
-	"ForceFullSyncMsg": "Full sync will load all data from server, are you sure ?"
+	"ForceFullSyncMsg": "Full sync will remove the current account's all local data (includes database, images and attachments) and load all data from server, are you sure ?"
 }
\ No newline at end of file
diff --git a/public/langs/zh-cn.js b/public/langs/zh-cn.js
index 09185c64..eed852a9 100644
--- a/public/langs/zh-cn.js
+++ b/public/langs/zh-cn.js
@@ -263,7 +263,7 @@
 
 	"More...": "更多",
 	"Force full sync": "强制全量同步",
-	"ForceFullSyncMsg": "强制全量同步会从服务器上同步所有数据, 可能耗时比较久, 你确定?",
+	"ForceFullSyncMsg": "强制全量同步会先将该帐户的本地数据全部删除(包括数据库, 图片和附件), 然后从服务器上同步所有数据, 你确定?",
 
 	"Are you sure to delete it ?": "确定删除?",
 	"Are you sure ?": "你确定执行该操作?",
diff --git a/public/langs/zh-hk.js b/public/langs/zh-hk.js
index f7a027d6..486dce54 100644
--- a/public/langs/zh-hk.js
+++ b/public/langs/zh-hk.js
@@ -263,7 +263,7 @@
 
     "More...": "更多",
     "Force full sync": "強制全量同步",
-    "ForceFullSyncMsg": "強制全量同步會從服務器上同步所有數據, 可能耗時比較久, 妳確定?",
+    "ForceFullSyncMsg": "強制全量同步會先將該帳戶的本地數據全部刪除(包括數據庫, 圖片和附件), 然後從服務器上同步所有數據, 妳確定?",
 
     "Are you sure to delete it ?": "確定刪除?",
     "Are you sure ?": "妳確定執行該操作?",