diff --git a/build/CommentCoreLibrary.js b/build/CommentCoreLibrary.js
index ce15407..6298082 100644
--- a/build/CommentCoreLibrary.js
+++ b/build/CommentCoreLibrary.js
@@ -839,8 +839,10 @@ var CommentManager = (function() {
 		}
 		for(;this.position < this.timeline.length;this.position++){
 			if(this.options.limit > 0 && this.runline.length > this.limiter) break;
-			if(this.validate(this.timeline[this.position]) && this.timeline[this.position]['stime']<=time){
-				this.send(this.timeline[this.position]);
+			if(this.timeline[this.position]['stime']<=time){
+				if(this.validate(this.timeline[this.position])){
+					this.send(this.timeline[this.position]);
+				}
 			}else{
 				break;
 			}
diff --git a/build/CommentFilter.js b/build/CommentFilter.js
new file mode 100644
index 0000000..003b85a
--- /dev/null
+++ b/build/CommentFilter.js
@@ -0,0 +1,129 @@
+/**
+ * Created by Dev on 2015/9/2.
+ */
+function CommentFilter(){
+  this.modifiers = [];
+  this.runtime = null;
+  this.blockList = [];
+  this.rules = [{
+    item: "mode",
+    operator: "=",
+    subject: 4,
+    //底部弹幕
+  }];
+  this.config = {
+    useRegExp: false
+  };
+  this.allowTypes = {
+    "1":true,
+    "4":true,
+    "5":true,
+    "6":true,
+    "7":true,
+    "8":true,
+    "17":true
+  };
+  var rule_modifiers = [{
+    item: "mode",
+    operator: "=",
+    subject: 4,
+    //底部弹幕
+  },{
+    item: 'color',
+    operator: '!=',
+    subject: parseInt('FFFFFF')
+  },{
+    item: 'text',
+    operator: 'contain',
+    subject: '逗逼',
+    isdiy: true
+  }];
+  this.doModify = function(cmt){
+    for(var k=0;k<this.modifiers.length;k++){
+      cmt = this.modifiers[k](cmt);
+    }
+    return cmt;
+  };
+  this.beforeSend = function(cmt){
+    return cmt;
+  };
+  this.doValidate = function(cmtData){
+    if (!this.allowTypes[cmtData.mode]) return false;
+    var result = true;
+    var compare = function(op){
+      return function(a, b){
+        return eval("a" + op + "b");
+      }
+    };
+    var config = this.config;
+    for (var i = 0; i < this.rules.length; ++i){
+      if(!result) break;
+      var deal = null;
+
+      switch(this.rules[i].operator){
+        case '=':
+        case '==':
+        case '===':
+        case 'eq':
+        case 'equal':
+        case 'equals':
+          deal = compare('=='); break;
+        case '!=':
+        case '!==':
+        case 'ineq':
+        case 'inequal':
+          deal = compare('!='); break;
+        case '>':
+        case 'big than':
+        case 'bigger':
+          deal = compare('>'); break;
+        case '<':
+        case 'small than':
+        case 'smaller':
+          deal = compare('<'); break;
+        case '>=':
+          deal = compare('>='); break;
+        case '<=':
+          deal = compare('<='); break;
+        case 'has':
+        case 'contain':
+          deal = (function(){
+            if (config.useRegExp){
+              return function(a, b){
+                var reg = new RegExp(b);
+                return reg.test(a);
+              }
+            } else {
+              return function(a, b){
+                return a.indexOf(b) > -1;
+              }
+            }
+          })();
+          break;
+        default:
+          deal = function(){return true;}; break;
+      }
+      this.rules[i].item = this.rules[i].item.toLowerCase();
+      console.log(cmtData);
+      result = !(deal(cmtData[this.rules[i].item], this.rules[i].subject));
+    }
+    return result;
+  };
+  this.addRule = function(rule){
+    this.rules.push(rule);
+  };
+  this.delRule = function(index){
+    this.rules.splice(index, 1);
+  };
+  this.addModifier = function(f){
+    this.modifiers.push(f);
+  };
+  this.runtimeFilter = function(cmt){
+    if(this.runtime == null)
+      return cmt;
+    return this.runtime(cmt);
+  };
+  this.setRuntimeFilter = function(f){
+    this.runtime = f;
+  }
+}