diff --git a/bin/install.js b/bin/install.js
index aed068bb..59b3c00b 100755
--- a/bin/install.js
+++ b/bin/install.js
@@ -301,6 +301,36 @@ co(function* () {
         if (pkg.config.npminstall.disableDedupe === true) {
           config.disableDedupe = true;
         }
+        // env config
+        // {
+        //   "config": {
+        //     "npminstall": {
+        //       "env:production": {
+        //         "disableDedupe": true
+        //       }
+        //     }
+        //   }
+        // }
+        // production
+        if (config.production && pkg.config.npminstall['env:production']) {
+          const envConfig = pkg.config.npminstall['env:production'];
+          if (envConfig.prune === true) {
+            config.prune = true;
+          }
+          if (envConfig.disableDedupe === true) {
+            config.disableDedupe = true;
+          }
+        }
+        // development
+        if (!config.production && pkg.config.npminstall['env:development']) {
+          const envConfig = pkg.config.npminstall['env:development'];
+          if (envConfig.prune === true) {
+            config.prune = true;
+          }
+          if (envConfig.disableDedupe === true) {
+            config.disableDedupe = true;
+          }
+        }
       }
     }
     yield installLocal(config);
diff --git a/test/disable-dedupe.test.js b/test/disable-dedupe.test.js
index e400f65b..de00c760 100644
--- a/test/disable-dedupe.test.js
+++ b/test/disable-dedupe.test.js
@@ -42,4 +42,63 @@ describe('test/disable-dedupe.test.js', () => {
     assert(names.length === 1);
     assert(names[0] === 'koa');
   });
+
+  it('should install config.npminstall[env:production].disableDedupe=true work', function* () {
+    const root = path.join(__dirname, 'fixtures', 'disable-dedupe-production-config');
+    rimraf.sync(path.join(root, 'node_modules'));
+    yield coffee.fork(npminstall, { cwd: root })
+      .debug()
+      .expect('code', 0)
+      .expect('stderr', /Linked \d+ latest versions/)
+      .end();
+    let names = fs.readdirSync(path.join(root, 'node_modules'))
+      .filter(n => !/^[\.\_]/.test(n));
+    assert(names.length > 1);
+
+    rimraf.sync(path.join(root, 'node_modules'));
+    yield coffee.fork(npminstall, { cwd: root, env: Object.assign({}, process.env, { NODE_ENV: 'production' }) })
+      .debug()
+      .expect('code', 0)
+      // .expect('stderr', /disable dedupe mode/)
+      .end();
+    names = fs.readdirSync(path.join(root, 'node_modules'))
+      .filter(n => !/^[\.\_]/.test(n));
+    assert(names.length === 1);
+    assert(names[0] === 'koa');
+
+    rimraf.sync(path.join(root, 'node_modules'));
+    yield coffee.fork(npminstall, [ '--production' ], { cwd: root })
+      .debug()
+      .expect('code', 0)
+      // .expect('stderr', /disable dedupe mode/)
+      .end();
+    names = fs.readdirSync(path.join(root, 'node_modules'))
+      .filter(n => !/^[\.\_]/.test(n));
+    assert(names.length === 1);
+    assert(names[0] === 'koa');
+  });
+
+  it('should install config.npminstall[env:development].disableDedupe=true work', function* () {
+    const root = path.join(__dirname, 'fixtures', 'disable-dedupe-development-config');
+    rimraf.sync(path.join(root, 'node_modules'));
+    yield coffee.fork(npminstall, { cwd: root })
+      .debug()
+      .expect('code', 0)
+      // .expect('stderr', /disable dedupe mode/)
+      .end();
+    let names = fs.readdirSync(path.join(root, 'node_modules'))
+      .filter(n => !/^[\.\_]/.test(n));
+    assert(names.length === 1);
+    assert(names[0] === 'koa');
+
+    rimraf.sync(path.join(root, 'node_modules'));
+    yield coffee.fork(npminstall, { cwd: root, env: Object.assign({}, process.env, { NODE_ENV: 'production' }) })
+      .debug()
+      .expect('code', 0)
+      // .expect('stderr', /Linked \d+ latest versions/)
+      .end();
+    names = fs.readdirSync(path.join(root, 'node_modules'))
+      .filter(n => !/^[\.\_]/.test(n));
+    assert(names.length > 1);
+  });
 });
diff --git a/test/fixtures/disable-dedupe-development-config/package.json b/test/fixtures/disable-dedupe-development-config/package.json
new file mode 100644
index 00000000..cf1ec822
--- /dev/null
+++ b/test/fixtures/disable-dedupe-development-config/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "disable-dedupe-demo",
+  "dependencies": {
+    "koa": "2"
+  },
+  "config": {
+    "npminstall": {
+      "env:development": {
+        "disableDedupe": true
+      }
+    }
+  }
+}
diff --git a/test/fixtures/disable-dedupe-production-config/package.json b/test/fixtures/disable-dedupe-production-config/package.json
new file mode 100644
index 00000000..0c04aa35
--- /dev/null
+++ b/test/fixtures/disable-dedupe-production-config/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "disable-dedupe-demo",
+  "dependencies": {
+    "koa": "2"
+  },
+  "config": {
+    "npminstall": {
+      "env:production": {
+        "disableDedupe": true
+      }
+    }
+  }
+}