diff --git a/lib/Lib/Core/Comparison.js b/lib/Lib/Core/Comparison.js
new file mode 100644
index 00000000..8e7b76c1
--- /dev/null
+++ b/lib/Lib/Core/Comparison.js
@@ -0,0 +1,24 @@
+"use strict";
+
+var COMPARISON = {
+  EQ: '=',
+  NEQ: '!=',
+  '<>': '!=',
+  GT: '>',
+  EGT: '>=',
+  LT: '<',
+  ELT: '<=',
+  NOTLIKE: 'NOT LIKE',
+  LIKE: 'LIKE',
+  NOTILIKE: 'NOT ILIKE',
+  ILIKE: 'ILIKE',
+  IN: 'IN',
+  NOTIN: 'NOT IN'
+};
+var allowKeys = ['EXP', 'BETWEEN', 'NOT BETWEEN'];
+var keys = Object.keys(COMPARISON);
+
+exports.COMPARISON = COMPARISON;
+exports.COMPARISON_LIST = keys.concat(keys.map(function(item) {
+  return COMPARISON[item];
+})).concat(allowKeys);
diff --git a/lib/Lib/Core/Controller.js b/lib/Lib/Core/Controller.js
index 77c61bef..9c84520b 100644
--- a/lib/Lib/Core/Controller.js
+++ b/lib/Lib/Core/Controller.js
@@ -1,3 +1,4 @@
+"use strict";
 /**
  * Controller 基类
  * @return {[type]} [description]
@@ -5,9 +6,30 @@
 var fs = require('fs');
 var path = require('path');
 var url = require('url');
+var comparison = require('./Comparison.js');
+var utils = require('thinkjs-util');
+
+var escapeComparison = function(value) {
+  if(Array.isArray(value) && typeof value[0] === 'string') {
+    if(comparison.COMPARISON_LIST.indexOf(value[0].toUpperCase()) > -1) {
+      value[0] += ' ';
+    }
+  }
+  if(utils.isObject(value)) {
+    var result = {};
+    for(var key in value) {
+      if(comparison.COMPARISON_LIST.indexOf(key.toUpperCase()) > -1) {
+        result[key + ' '] = value[key];
+      }else{
+        result[key] = value[key];
+      }
+    }
+    return result;
+  }
+  return value;
+}
 
 module.exports = Class(function() {
-  'use strict';
 
   return {
     /**
@@ -133,9 +155,13 @@ module.exports = Class(function() {
      */
     get: function(name) {
       if (name === undefined) {
-        return this.http.get;
+        var result = {};
+        for(var key in this.http.get) {
+          result[key] = escapeComparison(this.http.get[key] || '');
+        }
+        return result;
       }
-      return this.http.get[name] || '';
+      return escapeComparison(this.http.get[name] || '');
     },
     /**
      * 获取POST参数
@@ -143,8 +169,14 @@ module.exports = Class(function() {
      * @return {[type]}      [description]
      */
     post: function(name) {
-      var http = this.http;
-      return name ? (http.post[name] || '') : http.post;
+      if (name === undefined) {
+        var result = {};
+        for(var key in this.http.post) {
+          result[key] = escapeComparison(this.http.post[key] || '');
+        }
+        return result;
+      }
+      return escapeComparison(this.http.post[name] || '');
     },
     /**
      * 获取参数
diff --git a/lib/Lib/Core/Db.js b/lib/Lib/Core/Db.js
index 7ffa2bbf..0d978073 100644
--- a/lib/Lib/Core/Db.js
+++ b/lib/Lib/Core/Db.js
@@ -1,10 +1,29 @@
+'use strict';
+
 var querystring = require('querystring');
+var comparison = require('./Comparison.js');
+
+/**
+ * get comparison
+ * @param {String} comparison 
+ */
+var getComparison = function(value) {
+  var comparisonUpper = value.toUpperCase();
+  comparisonUpper = comparison.COMPARISON[comparisonUpper] || comparisonUpper;
+  if (comparison.COMPARISON_LIST.indexOf(comparisonUpper) > -1) {
+    return comparisonUpper;
+  }
+  throw new Error(value + 'is not valid');
+};
+
+
+
 /**
  * 数据库基类
  * @return {[type]} [description]
  */
 var Db = module.exports = Class(function(){
-  'use strict';
+  
   //数据库连接
   var dbConnections = {};
   //获取数据配置的基本信息
@@ -36,19 +55,6 @@ var Db = module.exports = Class(function(){
     //用于查询的sql语句，所有select语句根据该语句解析
     selectSql: 'SELECT%DISTINCT% %FIELD% FROM %TABLE%%JOIN%%WHERE%%GROUP%%HAVING%%ORDER%%LIMIT% %UNION%%COMMENT%',
     //where条件里的表达式
-    comparison: {
-      'EQ': '=',
-      'NEQ': '!=',
-      '<>': '!=',
-      'GT': '>',
-      'EGT': '>=',
-      'LT': '<',
-      'ELT': '<=',
-      'NOTLIKE': 'NOT LIKE',
-      'LIKE': 'LIKE',
-      'IN': 'IN',
-      'NOTIN': 'NOT IN'
-    },
     /**
      * 初始化
      * @return {[type]} [description]
@@ -293,7 +299,7 @@ var Db = module.exports = Class(function(){
         var result = [];
         for(var opr in val){
           var nop = opr.toUpperCase();
-          nop = this.comparison[nop] || nop;
+          nop = getComparison(nop);
           result.push(key + ' ' + nop + ' ' + this.parseValue(val[opr]));
         } 
         return result.join(' ' + logic + ' ');
@@ -309,7 +315,7 @@ var Db = module.exports = Class(function(){
       var data;
       if (isString(val[0])) {
         var val0 = val[0].toUpperCase();
-        val0 = this.comparison[val0] || val0;
+        val0 = getComparison(val0);
         if (/^(=|!=|>|>=|<|<=)$/.test(val0)) { // 比较运算
           whereStr += key + ' ' + val0 + ' ' + this.parseValue(val[1]);
         }else if (/^(NOT\s+LIKE|LIKE)$/.test(val0)) { // 模糊查找
@@ -375,7 +381,7 @@ var Db = module.exports = Class(function(){
           if (exp === 'EXP') {
             whereStr += '(' + key + ' ' + data + ') ' + rule + ' ';
           }else{
-            var op = isArr ? (this.comparison[val[i][0].toUpperCase()] || val[i][0]) : '=';
+            var op = isArr ? getComparison(val[i][0]) : '=';
             whereStr += '(' + key + ' ' + op + ' ' + this.parseValue(data) + ') ' + rule + ' ';
           }
         }
@@ -949,7 +955,6 @@ var Db = module.exports = Class(function(){
  * @return {[type]}        [description]
  */
 Db.parseConfig = function(config){
-  'use strict';
   config = config || {};
   var conf = {
     type: config.db_type || C('db_type'),
@@ -972,7 +977,6 @@ Db.parseConfig = function(config){
  * @return {[type]}        [description]
  */
 Db.getInstance = function(config){
-  'use strict';
   var conf = this.parseConfig(config);
   var instance = thinkRequire(ucfirst(conf.type) + 'Db')(conf);
   instance.dbType = conf.type.toUpperCase();
diff --git a/lib/Lib/Core/Think.js b/lib/Lib/Core/Think.js
index 5cc685e4..7cf78ed3 100644
--- a/lib/Lib/Core/Think.js
+++ b/lib/Lib/Core/Think.js
@@ -303,7 +303,7 @@ module.exports = {
         for(var file in require.cache){
           var flag = retainFiles.some(fn);
           if (!flag) {
-            require.cache[file] = null;
+            delete require.cache[file];
           }
         }
         self.loadFiles();
@@ -321,7 +321,7 @@ module.exports = {
     if (C('log_process_pid') && cluster.isMaster) {
       mkdir(DATA_PATH);
       var pidFile = DATA_PATH + '/app.pid';
-      fs.writeFileSync(pidFile, process.pid);
+      fs.writeFileSync(pidFile, process.pid + '');
       chmod(pidFile);
       //进程退出时删除该文件
       process.on('SIGTERM', function () {
diff --git a/lib/Lib/Driver/Session/DbSession.js b/lib/Lib/Driver/Session/DbSession.js
index d9296b89..bdb65d37 100644
--- a/lib/Lib/Driver/Session/DbSession.js
+++ b/lib/Lib/Driver/Session/DbSession.js
@@ -43,6 +43,7 @@ module.exports = Cache(function(){
         model = D('Session');
       }
       this.model = model;
+      this.isFresh = false;
     },
     /**
      * 初始化数据
@@ -53,10 +54,7 @@ module.exports = Cache(function(){
         var self = this;
         this.promise = model.where({cookie: this.cookie}).find().then(function(data){
           if (isEmpty(data)) {
-            return model.add({
-              cookie: self.cookie,
-              expire: Date.now() + self.options.timeout * 1000
-            });
+            self.isFresh = true;
           }
           if (Date.now() > data.expire) {
             return;
@@ -119,7 +117,14 @@ module.exports = Cache(function(){
         if (self.isChanged) {
           data.data = JSON.stringify(self.data);
         }
-        return model.where({cookie: self.cookie}).update(data);
+        if (self.isFresh) {
+          if (data.data) {
+            data.cookie = self.cookie;
+            return model.add(data);
+          }
+        } else {
+          return model.where({cookie: self.cookie}).update(data);
+        }
       });
     },
     /**
diff --git a/lib/Lib/Driver/Socket/RedisSocket.js b/lib/Lib/Driver/Socket/RedisSocket.js
index 737cadc5..8a16cc04 100644
--- a/lib/Lib/Driver/Socket/RedisSocket.js
+++ b/lib/Lib/Driver/Socket/RedisSocket.js
@@ -79,6 +79,9 @@ module.exports = Class(function(){
     },
     expire: function(name, timeout){
       return this.wrap('expire', [name, timeout]);
+    },
+    delete: function(name){
+      return this.wrap('del', name);
     }
   }
 });
\ No newline at end of file
diff --git a/lib/Lib/Util/Valid.js b/lib/Lib/Util/Valid.js
index f7ec024c..0fd17b5b 100644
--- a/lib/Lib/Util/Valid.js
+++ b/lib/Lib/Util/Valid.js
@@ -132,11 +132,12 @@ var Valid = {
    */
   int: function(value){
     'use strict';
+
     var val = parseInt(value, 10);
     if (isNaN(val)) {
       return false;
     }
-    return (val + '').length === value.length;
+    return (val + '').length === (value + '').length;
   },
   /**
    * 浮点数
diff --git a/package.json b/package.json
index b61b87c4..3833e4fb 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "thinkjs",
   "description": "A Node.js MVC Web Framework Based On Promise",
-  "version": "1.2.10",
+  "version": "1.2.17",
   "author": {
     "name": "welefen",
     "email": "welefen@gmail.com"
@@ -9,6 +9,9 @@
   "scripts": {
     "test": "make test"
   },
+  "publishConfig": {
+    "tag": "v1"
+  },
   "contributors": [
     {
       "name": "welefen",
@@ -16,7 +19,7 @@
     }
   ],
   "dependencies": {
-    "ejs": "2.2.4",
+    "ejs": "^2.5.7",
     "multiparty": "4.1.1",
     "es6-promise": "2.0.1",
     "mime": "1.2.11",
diff --git a/test/Common/common.js b/test/Common/common.js
index ffbb2631..8f5332f9 100644
--- a/test/Common/common.js
+++ b/test/Common/common.js
@@ -820,7 +820,7 @@ describe('getPromise', function(){
 describe('getDefer', function(){
   it('getDefer()', function(){
     var deferred = getDefer();
-    assert.equal(isObject(deferred.promise), true);
+    assert.equal(isObject(deferred.promise), false);
     assert.equal(isFunction(deferred.resolve), true);
     assert.equal(isFunction(deferred.reject), true)
     assert.equal(isFunction(deferred.promise.then), true);
diff --git a/test/Lib/Core/Controller.js b/test/Lib/Core/Controller.js
index 85782822..272b0dec 100644
--- a/test/Lib/Core/Controller.js
+++ b/test/Lib/Core/Controller.js
@@ -240,6 +240,29 @@ describe('Controller', function(){
       done();
     })
   })
+
+
+  it('instance.get all 2', function(done){
+    promise.then(function(instance){
+      //console.log(JSON.stringify(instance.get()));
+      instance.http.get.key222 = ['EXP', 2];
+      assert.deepEqual(instance.get().key222, ['EXP ', 2]);
+      delete instance.http.get.key222;
+      done();
+    })
+  })
+
+  it('instance.get all 3', function(done){
+    promise.then(function(instance){
+      //console.log(JSON.stringify(instance.get()));
+      instance.http.get.key222 = {EXP: 2}
+      assert.deepEqual(instance.get().key222, {'EXP ': 2});
+      delete instance.http.get.key222;
+      done();
+    })
+  })
+
+
   it('instance.post()', function(done){
     promise.then(function(instance){
       //console.log(JSON.stringify(instance.get()));
@@ -255,6 +278,88 @@ describe('Controller', function(){
     })
   })
 
+  it('instance.post("xxx") 2', function(done){
+    promise.then(function(instance){
+      //console.log(JSON.stringify(instance.get()));
+      instance.http.post.key222 = ['EXP ', 2];
+      assert.deepEqual(instance.post('key222'), ['EXP ', 2]);
+      delete instance.http.post.key222;
+      done();
+    })
+  })
+
+  it('instance.post all 2', function(done){
+    promise.then(function(instance){
+      //console.log(JSON.stringify(instance.get()));
+      instance.http.post.key222 = ['EXP ', 2];
+      assert.deepEqual(instance.post().key222, ['EXP ', 2]);
+      delete instance.http.post.key222;
+      done();
+    })
+  })
+
+
+  it('instance.post("xxx") 3', function(done){
+    promise.then(function(instance){
+      //console.log(JSON.stringify(instance.get()));
+      instance.http.post.key333 =  {EXP: 3}
+      assert.deepEqual(instance.post('key333'), {'EXP ': 3});
+      delete instance.http.post.key333;
+      done();
+    })
+  })
+
+  it('instance.post all 3', function(done){
+    promise.then(function(instance){
+      //console.log(JSON.stringify(instance.get()));
+      instance.http.post.key333 =  {EXP: 3}
+      assert.deepEqual(instance.post().key333, {'EXP ': 3});
+      delete instance.http.post.key333;
+      done();
+    })
+  })
+
+  it('instance.post("xxx") 4', function(done){
+    promise.then(function(instance){
+      //console.log(JSON.stringify(instance.get()));
+      instance.http.post.key333 =  {EXP3: 3}
+      assert.deepEqual(instance.post('key333'), {'EXP3': 3});
+      delete instance.http.post.key333;
+      done();
+    })
+  })
+
+  it('instance.post all 4', function(done){
+    promise.then(function(instance){
+      //console.log(JSON.stringify(instance.get()));
+      instance.http.post.key333 =  {EXP3: 3}
+      assert.deepEqual(instance.post().key333, {'EXP3': 3});
+      delete instance.http.post.key333;
+      done();
+    })
+  })
+
+  it('instance.post("xxx") 5', function(done){
+    promise.then(function(instance){
+      //console.log(JSON.stringify(instance.get()));
+      instance.http.post.key222 = ['EXP2', 2];
+      assert.deepEqual(instance.post('key222'), ['EXP2', 2]);
+      delete instance.http.post.key222;
+      done();
+    })
+  })
+
+  it('instance.post all 5', function(done){
+    promise.then(function(instance){
+      //console.log(JSON.stringify(instance.get()));
+      instance.http.post.key222 = ['EXP2', 2];
+      assert.deepEqual(instance.post().key222, ['EXP2', 2]);
+      delete instance.http.post.key222;
+      done();
+    })
+  })
+
+
   it('instance.param()', function(done){
     promise.then(function(instance){
       //console.log(instance.param())
diff --git a/test/Lib/Driver/Session/DbSession.js b/test/Lib/Driver/Session/DbSession.js
index 4edbf7af..11e57181 100644
--- a/test/Lib/Driver/Session/DbSession.js
+++ b/test/Lib/Driver/Session/DbSession.js
@@ -28,7 +28,7 @@ describe('before', function(){
           { Field: 'expire',Type: 'bigint(11)',Null: 'NO',Key: 'MUL',Default: null,Extra: '' } 
         ]);
       }else if (sql === "SELECT * FROM `think_session` WHERE ( `cookie` = 'Nru4DV9uYy3jUP8_MDl4l-wbkVe-gQO_' ) LIMIT 1") {
-        return getPromise([ { id: 1,cookie: 'Nru4DV9uYy3jUP8_MDl4l-wbkVe-gQO_',data: '{"name":"suredy"}',expire: 1509896404697 } ])
+        return getPromise([ { id: 1,cookie: 'Nru4DV9uYy3jUP8_MDl4l-wbkVe-gQO_',data: '{"name":"suredy"}',expire: 2509896404697 } ])
       }else if (sql === "SELECT * FROM `think_session` WHERE ( `cookie` = 'expired' ) LIMIT 1") {
         return getPromise([ { id: 1,cookie: 'Nru4DV9uYy3jUP8_MDl4l-wbkVe-gQO_',data: '{"name":"suredy"}',expire: 1309896404697 } ])
       }else if (sql === "SELECT * FROM `think_session` WHERE ( `cookie` = 'dataempty' ) LIMIT 1") {
diff --git a/test/Lib/Util/valid.js b/test/Lib/Util/valid.js
index 1b639512..68a5c0f9 100644
--- a/test/Lib/Util/valid.js
+++ b/test/Lib/Util/valid.js
@@ -333,6 +333,18 @@ describe('Valid', function(){
     var ret = Valid(data);
     assert.equal(ret.welefen, undefined)
   })
+
+  it('Valid int', function(){
+    var data = {
+      name: 'welefen',
+      value: 123123,
+      valid: 'int',
+      msg: "int is not valid"
+    }
+    var ret = Valid(data);
+    assert.equal(ret.welefen, undefined)
+  })
+
   it('Valid int', function(){
     var data = {
       name: 'welefen',