diff --git a/KissMe/Common/Extensions.swift b/KissMe/Common/Extensions.swift
index 7d24e03..2642f7b 100644
--- a/KissMe/Common/Extensions.swift
+++ b/KissMe/Common/Extensions.swift
@@ -9,23 +9,27 @@ import Foundation
 
 
 extension Date {
-    var yyyyMMdd: String {
+    public var yyyyMMdd: String {
         let dateFormatter = DateFormatter()
         dateFormatter.dateFormat = "yyyy-MM-dd"
         return dateFormatter.string(from: self)
     }
     
-    var yyyyMMdd_HHmmss: String {
+    public var yyyyMMdd_HHmmss: String {
         let dateFormatter = DateFormatter()
         dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
         return dateFormatter.string(from: self)
     }
     
-    var yyyyMMdd_HHmmssSSSS_forFile: String {
+    public var yyyyMMdd_HHmmssSSSS_forFile: String {
         let dateFormatter = DateFormatter()
         dateFormatter.dateFormat = "yyyyMMdd_HHmmss_SSSS"
         return dateFormatter.string(from: self)
     }
+    
+    public static var appTime: TimeInterval {
+        ProcessInfo.processInfo.systemUptime
+    }
 }
 
 
diff --git a/KissMeConsole/KissMeConsole/KissConsole.swift b/KissMeConsole/KissMeConsole/KissConsole.swift
index 4d6d6b3..35af3ac 100644
--- a/KissMeConsole/KissMeConsole/KissConsole.swift
+++ b/KissMeConsole/KissMeConsole/KissConsole.swift
@@ -15,7 +15,7 @@ class KissConsole {
     var shop: KissShop? = nil
     
     var productsLock = NSLock()
-    var products: [DomesticShop.Product] = []
+    var products = [String: [DomesticShop.Product]]()
     
     enum KissCommand: String {
         case quit = "quit"
@@ -27,6 +27,7 @@ class KissConsole {
         case sell = "sell"
         case loadShop = "load shop"
         case updateShop = "update shop"
+        case look = "look"
         
         var needLogin: Bool {
             switch self {
@@ -34,7 +35,7 @@ class KissConsole {
                 return false
             case .logout, .search, .buy, .sell:
                 return true
-            case .loadShop, .updateShop:
+            case .loadShop, .updateShop, .look:
                 return false
             }
         }
@@ -50,6 +51,7 @@ class KissConsole {
         
         createSubpath("log")
         createSubpath("data")
+        onLoadShop()
     }
     
     func run() {
@@ -83,6 +85,7 @@ class KissConsole {
                 case .sell: await onSell(args.suffixStrings(from: 1))
                 case .loadShop: onLoadShop()
                 case .updateShop: await onUpdateShop()
+                case .look: await onLook(args.suffixStrings(from: 1))
                 default:
                     print("Unknown command: \(single)")
                 }
@@ -106,22 +109,58 @@ extension KissConsole {
         URL.currentDirectory().appending(path: "data/shop-products.csv")
     }
     
-    private func loadShop() {
+    private func setProducts(_ products: [String: [DomesticShop.Product]]) {
+        productsLock.lock()
+        self.products = products
+        productsLock.unlock()
+    }
+    
+    private func getProducts(similarName: String) -> [String: [DomesticShop.Product]]? {
+        productsLock.lock()
+        defer {
+            productsLock.unlock()
+        }
+        return products.filter { $0.key.contains(similarName) }
+    }
+    
+    private func loadShop(_ profile: Bool = true) {
+        let appTime1 = Date.appTime
         guard let stringCsv = try? String(contentsOfFile: shopProducts.path) else {
             return
         }
+
+        let appTime2 = Date.appTime
+        if profile {
+            print("\tloading file \(appTime2 - appTime1) elapsed")
+        }
         
-        var products = [DomesticShop.Product]()
+        var products = [String: [DomesticShop.Product]]()
         let rows = stringCsv.split(separator: "\n")
+        
+        let appTime3 = Date.appTime
+        if profile {
+            print("\trow split \(appTime3 - appTime2) elapsed")
+        }
+        
         for row in rows {
             let array = row.split(separator: ",").map { String($0) }
             let product = DomesticShop.Product(array)
-            products.append(product)
+            if var value = products[product.itemName] {
+                value.append(product)
+                products.updateValue(value, forKey: product.itemName)
+            }
+            else {
+                products[product.itemName] = [product]
+            }
         }
-        self.productsLock.lock()
-        self.products = products
-        self.productsLock.unlock()
-        print("load products \(products.count)")
+        let appTime4 = Date.appTime
+        if profile {
+            print("\tparse product \(appTime4 - appTime3) elapsed")
+        }
+        
+        setProducts(products)
+        let totalCount = products.reduce(0, { $0 + $1.value.count })
+        print("load products \(totalCount) with \(products.count) key")
     }
 }
 
@@ -225,6 +264,23 @@ extension KissConsole {
             print("\(error)")
         }
     }
+    
+    private func onLook(_ args: [String]) async {
+        guard args.count >= 1 else {
+            print("No product name")
+            return
+        }
+        guard let items = getProducts(similarName: args[0]) else {
+            print("")
+            return
+        }
+        for item in items {
+            print("Product \(item.key)")
+            for value in item.value {
+                print("\t\(value.shortCode) \(value.baseDate)")
+            }
+        }
+    }
 }