diff --git a/examples/VnTrader/VT_setting.json b/examples/VnTrader/VT_setting.json
index 62f5903e..473017fb 100644
--- a/examples/VnTrader/VT_setting.json
+++ b/examples/VnTrader/VT_setting.json
@@ -11,8 +11,10 @@
 
 	"logActive": true,
 	"logLevel": "debug",
-	"logConsole": false,
+	"logConsole": true,
 	"logFile": true,
 
-	"tdPenalty": ["IF", "IH", "IC"]
+	"tdPenalty": ["IF", "IH", "IC"],
+
+	"maxDecimal": 4
 }
\ No newline at end of file
diff --git a/vnpy/trader/VT_setting.json b/vnpy/trader/VT_setting.json
index a00ff35e..473017fb 100644
--- a/vnpy/trader/VT_setting.json
+++ b/vnpy/trader/VT_setting.json
@@ -14,5 +14,7 @@
 	"logConsole": true,
 	"logFile": true,
 
-	"tdPenalty": ["IF", "IH", "IC"]
+	"tdPenalty": ["IF", "IH", "IC"],
+
+	"maxDecimal": 4
 }
\ No newline at end of file
diff --git a/vnpy/trader/uiBasicWidget.py b/vnpy/trader/uiBasicWidget.py
index 4140be24..62c0c65a 100644
--- a/vnpy/trader/uiBasicWidget.py
+++ b/vnpy/trader/uiBasicWidget.py
@@ -755,7 +755,7 @@ class TradingWidget(QtWidgets.QFrame):
         self.comboOffset.addItems(self.offsetList)
 
         self.spinPrice = QtWidgets.QDoubleSpinBox()
-        self.spinPrice.setDecimals(4)
+        self.spinPrice.setDecimals(globalSetting.get('maxDecimal', 4))
         self.spinPrice.setMinimum(0)
         self.spinPrice.setMaximum(100000)
 
diff --git a/vnpy/trader/vtFunction.py b/vnpy/trader/vtFunction.py
index dafee913..e5b4eb71 100644
--- a/vnpy/trader/vtFunction.py
+++ b/vnpy/trader/vtFunction.py
@@ -10,9 +10,10 @@ import json
 from datetime import datetime
 from math import isnan
 
+from vtGlobal import globalSetting
 
 MAX_NUMBER = 10000000000000
-MAX_DECIMAL = 4
+MAX_DECIMAL = globalSetting.get('maxDecimal', 4)
 
 #----------------------------------------------------------------------
 def safeUnicode(value):
@@ -40,7 +41,13 @@ def todayDate():
 # 图标路径
 iconPathDict = {}
 
-path = os.path.abspath(os.path.dirname(__file__))
+path = os.path.abspath(os.path.dirname(__file__))   # 遍历vnpy安装目录
+for root, subdirs, files in os.walk(path):
+    for fileName in files:
+        if '.ico' in fileName:
+            iconPathDict[fileName] = os.path.join(root, fileName)
+
+path = os.getcwd()      # 遍历工作目录
 for root, subdirs, files in os.walk(path):
     for fileName in files:
         if '.ico' in fileName: