diff --git a/modules/twain_user/HGTwainImpl.cpp b/modules/twain_user/HGTwainImpl.cpp
index 5adb51b6..dd4ce46c 100644
--- a/modules/twain_user/HGTwainImpl.cpp
+++ b/modules/twain_user/HGTwainImpl.cpp
@@ -433,11 +433,19 @@ HGResult HGTwainDSImpl::GetDeviceName(HGChar* name, HGUInt maxLen)
     }
 
     HGCapValue value;
-    value.type = HGCAPVALUE_TYPE_STR255;
     HGResult ret = GetCapbility(0x8854, &value);
     if (HGBASE_ERR_OK == ret)
-        strcpy(name, value.valueStr255);
-
+    {
+        if (value.type == HGCAPVALUE_TYPE_STR32)
+            strcpy(name, value.valueStr32);
+        else if (value.type == HGCAPVALUE_TYPE_STR64)
+            strcpy(name, value.valueStr64);
+        else if (value.type == HGCAPVALUE_TYPE_STR128)
+            strcpy(name, value.valueStr128);
+        else if (value.type == HGCAPVALUE_TYPE_STR255)
+            strcpy(name, value.valueStr255);
+    }
+    
     return ret;
 }