diff --git a/docs/commands.md b/docs/commands.md
index 2eda14a7..1893dbc4 100644
--- a/docs/commands.md
+++ b/docs/commands.md
@@ -234,7 +234,9 @@ Display question details. With `-g`/`-l`/`-x`, the code template would be auto g
     * golang
     * java
     * javascript
+    * kotlin
     * mysql
+    * php
     * python
     * python3
     * ruby
@@ -465,7 +467,7 @@ Display version information.
 Short:
 
     $ leetcode version
-    2.6.1
+    2.6.2
 
 Verbose:
 
@@ -475,7 +477,7 @@ Verbose:
     | | ___  ___| |_  ___  ___   __| | ___
     | |/ _ \/ _ \ __|/ __|/ _ \ / _` |/ _ \
     | |  __/  __/ |_  (__| (_) | (_| |  __/
-    |_|\___|\___|\__|\___|\___/ \__,_|\___|  CLI v2.6.1
+    |_|\___|\___|\__|\___|\___/ \__,_|\___|  CLI v2.6.2
 
     [Environment]
     Node                 v8.1.4
diff --git a/docs/releases.md b/docs/releases.md
index 7b78a5f3..77cce5eb 100644
--- a/docs/releases.md
+++ b/docs/releases.md
@@ -2,6 +2,10 @@
 layout: default
 title: Release Notes
 ---
+# 2.6.2
+* `submit`
+	* fixes beta ratio issue
+
 # 2.6.1
 * `submit`
     * fixes 500 error on windows.
diff --git a/lib/commands/plugin.js b/lib/commands/plugin.js
index 78a966b5..ca5a9cff 100644
--- a/lib/commands/plugin.js
+++ b/lib/commands/plugin.js
@@ -52,10 +52,10 @@ const cmd = {
       .example(chalk.yellow('leetcode plugin company'), 'Show company plugin')
       .example(chalk.yellow('leetcode plugin company -c'), 'Show config of company plugin')
       .example('', '')
-      .example(chalk.yellow('leetcode plugin -i'), 'Install all missing plugins from GtiHub')
-      .example(chalk.yellow('leetcode plugin -i company'), 'Install company plugin from GtiHub')
+      .example(chalk.yellow('leetcode plugin -i'), 'Install all missing plugins from GitHub')
+      .example(chalk.yellow('leetcode plugin -i company'), 'Install company plugin from GitHub')
       .example(chalk.yellow('leetcode plugin -d company'), 'Disable company plugin')
-      .example(chalk.yellow('leetcode plugin -e company'), 'Enable comapny plugin')
+      .example(chalk.yellow('leetcode plugin -e company'), 'Enable company plugin')
       .example(chalk.yellow('leetcode plugin -D company'), 'Delete company plugin');
   }
 };
diff --git a/lib/commands/stat.js b/lib/commands/stat.js
index 3c51ab98..772499c4 100644
--- a/lib/commands/stat.js
+++ b/lib/commands/stat.js
@@ -104,7 +104,8 @@ function showGraph(problems) {
   for (let problem of problems)
     graph[problem.fid] = ICONS[problem.state] || ICONS.none;
 
-  let line = [sprintf(' %03s', 0)];
+  let rowNumFormat = ' %04s';
+  let line = [sprintf(rowNumFormat, 0)];
   for (let i = 1, n = graph.length; i <= n; ++i) {
     // padding before group
     if (i % 10 === 1) line.push(' ');
@@ -114,7 +115,7 @@ function showGraph(problems) {
     // time to start new row
     if (i % (10 * groups) === 0 || i === n) {
       log.info(line.join(' '));
-      line = [sprintf(' %03s', i)];
+      line = [sprintf(rowNumFormat, i)];
     }
   }
 
diff --git a/lib/commands/submit.js b/lib/commands/submit.js
index 7376598b..56f5ed04 100644
--- a/lib/commands/submit.js
+++ b/lib/commands/submit.js
@@ -76,7 +76,7 @@ cmd.handler = function(argv) {
 
           let ratio = 0.0;
           for (let score of scores) {
-            if (parseFloat(score[0]) > myRuntime)
+            if (parseFloat(score[0]) >= myRuntime)
               ratio += parseFloat(score[1]);
           }
 
diff --git a/lib/config.js b/lib/config.js
index 692b958d..373b9f0f 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -22,9 +22,11 @@ const DEFAULT_CONFIG = {
       'javascript',
       'kotlin',
       'mysql',
+      'php',
       'python',
       'python3',
       'ruby',
+      'rust',
       'scala',
       'swift'
     ],
@@ -67,7 +69,8 @@ const DEFAULT_CONFIG = {
     theme: ''
   },
   network: {
-    concurrency: 10
+    concurrency: 10,
+    delay:       1
   },
   plugins: {}
 };
diff --git a/lib/helper.js b/lib/helper.js
index 5ca496aa..8806086e 100644
--- a/lib/helper.js
+++ b/lib/helper.js
@@ -39,9 +39,11 @@ const LANGS = [
   {lang: 'javascript', ext: '.js',         style: 'c'},
   {lang: 'kotlin',     ext: '.kt',         style: 'c'},
   {lang: 'mysql',      ext: '.sql',        style: '--'},
+  {lang: 'php',        ext: '.php',        style: 'c'},
   {lang: 'python',     ext: '.py',         style: '#'},
   {lang: 'python3',    ext: '.py',         style: '#'},
   {lang: 'ruby',       ext: '.rb',         style: '#'},
+  {lang: 'rust',       ext: '.rs',         style: 'c'},
   {lang: 'scala',      ext: '.scala',      style: 'c'},
   {lang: 'swift',      ext: '.swift',      style: 'c'}
 ];
diff --git a/lib/plugins/leetcode.js b/lib/plugins/leetcode.js
index a2e17b8f..24331ec6 100644
--- a/lib/plugins/leetcode.js
+++ b/lib/plugins/leetcode.js
@@ -157,11 +157,12 @@ plugin.getProblem = function(problem, cb) {
 
     problem.totalAC = JSON.parse(q.stats).totalAccepted;
     problem.totalSubmit = JSON.parse(q.stats).totalSubmission;
-    if (!q.translatedContent) {
-        problem.desc = he.decode(cheerio.load(q.content).root().text());
-    }else{
-        problem.desc = he.decode(cheerio.load(q.translatedContent).root().text());
-    }
+
+    let content = q.translatedContent ? q.translatedContent : q.content;
+    // Replace <sup/> with '^' as the power operator
+    content = content.replace(/<\/sup>/gm, '').replace(/<sup>/gm, '^');
+    problem.desc = he.decode(cheerio.load(content).root().text());
+
     problem.templates = JSON.parse(q.codeDefinition);
     problem.testcase = q.sampleTestCase;
     problem.testable = q.enableRunCode;
@@ -178,7 +179,7 @@ function runCode(opts, problem, cb) {
   opts.headers.Origin = config.sys.urls.base;
   opts.headers.Referer = problem.link;
   opts.json = true;
-  opts._delay = opts._delay || 1; // in seconds
+  opts._delay = opts._delay || config.network.delay || 1; // in seconds
 
   opts.body = opts.body || {};
   _.extendOwn(opts.body, {
@@ -260,7 +261,13 @@ function formatResult(result) {
     x.expected_answer = result.expected_output;
     x.stdout = result.std_output;
   } else {
-    x.stdout = util.inspect((result.code_output || []).join('\n'));
+    if (typeof(result.code_output) === 'string') {
+        x.stdout = util.inspect(result.code_output);
+    } else if (Array.isArray(result.code_output)) {
+        x.stdout = util.inspect(result.code_output.join('\n'));
+    } else {
+        x.stdout = util.inspect('');
+    }
   }
 
   // make sure we pass eveything!
@@ -335,7 +342,7 @@ plugin.getSubmission = function(submission, cb) {
     let re = body.match(/submissionCode:\s('[^']*')/);
     if (re) submission.code = eval(re[1]);
 
-    re = body.match(/distribution_formatted:\s('[^']+')/);
+    re = body.match(/runtimeDistributionFormatted:\s('[^']+')/);
     if (re) submission.distributionChart = JSON.parse(eval(re[1]));
     return cb(null, submission);
   });
diff --git a/package.json b/package.json
index ee8f2414..a9af9f7c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "leetcode-cli",
-  "version": "2.6.1",
+  "version": "2.6.2",
   "description": "A cli tool to enjoy leetcode!",
   "preferGlobal": "true",
   "engines": {
diff --git a/test/test_helper.js b/test/test_helper.js
index cfc502d4..143bda9e 100644
--- a/test/test_helper.js
+++ b/test/test_helper.js
@@ -128,12 +128,13 @@ describe('helper', function() {
       assert.equal(h.langToExt('java'), '.java');
       assert.equal(h.langToExt('javascript'), '.js');
       assert.equal(h.langToExt('mysql'), '.sql');
+      assert.equal(h.langToExt('php'), '.php');
       assert.equal(h.langToExt('python'), '.py');
       assert.equal(h.langToExt('python3'), '.py');
       assert.equal(h.langToExt('ruby'), '.rb');
+      assert.equal(h.langToExt('rust'), '.rs');
       assert.equal(h.langToExt('scala'), '.scala');
       assert.equal(h.langToExt('swift'), '.swift');
-      assert.equal(h.langToExt('rust'), '.raw');
     });
   }); // #langToExt
 
@@ -146,11 +147,13 @@ describe('helper', function() {
       assert.equal(h.extToLang('../file.go'), 'golang');
       assert.equal(h.extToLang('file.java'), 'java');
       assert.equal(h.extToLang('c:/file.js'), 'javascript');
+      assert.equal(h.extToLang('~/leetcode/../file.sql'), 'mysql');
+      assert.equal(h.extToLang('~/leetcode/hello.php'), 'php');
       assert.equal(h.extToLang('c:/Users/skygragon/file.py'), 'python');
       assert.equal(h.extToLang('~/file.rb'), 'ruby');
+      assert.equal(h.extToLang('~/leetcode/file.rs'), 'rust');
       assert.equal(h.extToLang('/tmp/file.scala'), 'scala');
       assert.equal(h.extToLang('~/leetcode/file.swift'), 'swift');
-      assert.equal(h.extToLang('~/leetcode/../file.sql'), 'mysql');
       assert.equal(h.extToLang('/home/skygragon/file.dat'), 'unknown');
     });
   }); // #extToLang
@@ -169,9 +172,11 @@ describe('helper', function() {
       assert.deepEqual(h.langToCommentStyle('java'), C_STYLE);
       assert.deepEqual(h.langToCommentStyle('javascript'), C_STYLE);
       assert.deepEqual(h.langToCommentStyle('mysql'), SQL_STYLE);
+      assert.deepEqual(h.langToCommentStyle('php'), C_STYLE);
       assert.deepEqual(h.langToCommentStyle('python'), RUBY_STYLE);
       assert.deepEqual(h.langToCommentStyle('python3'), RUBY_STYLE);
       assert.deepEqual(h.langToCommentStyle('ruby'), RUBY_STYLE);
+      assert.deepEqual(h.langToCommentStyle('rust'), C_STYLE);
       assert.deepEqual(h.langToCommentStyle('scala'), C_STYLE);
       assert.deepEqual(h.langToCommentStyle('swift'), C_STYLE);
     });