diff --git a/acs/nladmin-system/nlsso-server/src/main/java/org/nl/acs/device_driver/basedriver/ssx_site/ItemProtocol.java b/acs/nladmin-system/nlsso-server/src/main/java/org/nl/acs/device_driver/basedriver/ssx_site/ItemProtocol.java
index a784c6f..0aef07b 100644
--- a/acs/nladmin-system/nlsso-server/src/main/java/org/nl/acs/device_driver/basedriver/ssx_site/ItemProtocol.java
+++ b/acs/nladmin-system/nlsso-server/src/main/java/org/nl/acs/device_driver/basedriver/ssx_site/ItemProtocol.java
@@ -19,11 +19,11 @@ public class ItemProtocol {
     public static String item_weight = "weight";
     public static String item_sub_tray = "sub_tray";
     public static String item_mother_tray = "mother_tray";
-    public static String item_error_code="error_code";
-    public static String item_device_type="device_type";
-    public static String item_frame_type="frame_type";
-    public static String item_mother_type="mother_type";
-    public static String item_sub_type="sub_type";
+    public static String item_error_code = "error_code";
+    public static String item_device_type = "device_type";
+    public static String item_frame_type = "frame_type";
+    public static String item_mother_type = "mother_type";
+    public static String item_sub_type = "sub_type";
     public static String item_to_command = "to_command";
     public static String item_to_target = "to_target";
     public static String item_to_task = "to_task";
@@ -54,9 +54,11 @@ public class ItemProtocol {
     public int getTask() {
         return this.getOpcIntegerValue(item_task);
     }
+
     public double getWeight() {
         return this.getOpcFloatValue(item_weight);
     }
+
     public String getSubTray() {
         return this.getOpcStringValue(item_sub_tray);
     }
@@ -106,36 +108,46 @@ public class ItemProtocol {
     Boolean isonline;
 
     public int getOpcIntegerValue(String protocol) {
-        Integer value = this.driver.getIntegeregerValue(protocol);
-        if (value == null) {
-            // log.error(this.getDriver().getDeviceCode() + ":protocol " + protocol + " 信号同步异常!");
-            setIsonline(false);
-        } else {
-            setIsonline(true);
-            return value;
+        try {
+            Integer value = this.driver.getIntegeregerValue(protocol);
+            if (value == null) {
+                // log.error(this.getDriver().getDeviceCode() + ":protocol " + protocol + " 信号同步异常!");
+                setIsonline(false);
+            } else {
+                setIsonline(true);
+                return value;
+            }
+        } catch (Exception e) {
+
         }
         return 0;
-
     }
 
     public String getOpcStringValue(String protocol) {
-        String value = this.driver.getStringValue(protocol);
-        if (value != null) {
-            return value;
+        try {
+            String value = this.driver.getStringValue(protocol);
+            if (value != null) {
+                return value;
+            }
+        } catch (Exception e) {
+
         }
         return "";
     }
 
     public float getOpcFloatValue(String protocol) {
-        Float value = this.driver.getDoubleValue(protocol);
-        if (value == null) {
-            setIsonline(false);
-        } else {
-            setIsonline(true);
-            return value;
+        try {
+            Float value = this.driver.getDoubleValue(protocol);
+            if (value == null) {
+                setIsonline(false);
+            } else {
+                setIsonline(true);
+                return value;
+            }
+        } catch (Exception e) {
+
         }
         return 0L;
-
     }
 
     public static List<ItemDto> getReadableItemDtos() {
@@ -148,6 +160,11 @@ public class ItemProtocol {
         list.add(new ItemDto(item_sub_tray, "子托盘条码", "DB600.D4"));
         list.add(new ItemDto(item_mother_tray, "母托盘条码", "DB600.D4"));
         list.add(new ItemDto(item_error, "报警信号", "DB600.B5"));
+        list.add(new ItemDto(item_error_code, "超限/称重报警信号", "DB600.B6"));
+        list.add(new ItemDto(item_device_type, "称重信号", "DB600.B7"));
+        list.add(new ItemDto(item_frame_type, "检测框架信号", "DB600.B8"));
+        list.add(new ItemDto(item_mother_type, "母托信号", "DB600.B9"));
+        list.add(new ItemDto(item_sub_type, "子托信号", "DB600.B10"));
         return list;
     }