修改了mt_To_mxField76的方法的逻辑

swiftCore/src/main/java/com/brilliance/swift/mt2mx/AbstractMt2MxParseField.java

@@ -1425,19 +1425,31 @@ public abstract class AbstractMt2MxParseField implements Mt2MxParseField {
 
     protected void mt_To_mxField76(String mt76, Map<String, Object> maps){
         String mt76Value = mt76.replace("\r\n//", "").trim();
-        String status = mt76Value.substring(1,5);
-        String reason = mt76Value.substring(6,10);
+        String status = "";
+        String reason = "";
+        if(mt76Value.length()>5){
+            status = mt76Value.substring(1,5);
+        }
+        if(mt76Value.length()>=10){
+            if(mt76Value.length()==10){
+                reason = mt76Value.substring(6);
+            }else {
+                reason = mt76Value.substring(6,10);
+            }
+        }
         String additionalInformation = "";
         //MXReasonList = {AC04, AGNT, AM04, ARDT, CUST, INDM, LEGL, NOAS, NOOR, PTNA, RQDA}
         if("AC04".equals(reason)||"AGNT".equals(reason)||"AM04".equals(reason)
                 ||"ARDT".equals(reason)||"CUST".equals(reason)||"INDM".equals(reason)
                 ||"LEGL".equals(reason)||"NOAS".equals(reason)||"NOOR".equals(reason)
                 ||"PTNA".equals(reason)||"RQDA".equals(reason)){
-            if(mt76Value.length()>10){
-                additionalInformation = mt76Value.substring(11);
-            }
+                if(mt76Value.length()>10){
+                    additionalInformation = mt76Value.substring(11);
+                }
         }else {
-            additionalInformation = mt76Value.substring(6);
+            if(mt76Value.length()>6){
+                additionalInformation = mt76Value.substring(6);
+            }
             if ("RJCR".equals(status)){
                 reason = "NARR";
             }else {