diff --git a/skywalking-api/src/main/java/com/ai/cloud/skywalking/constants/Constants.java b/skywalking-api/src/main/java/com/ai/cloud/skywalking/constants/Constants.java
index beea37d41..5418df294 100644
--- a/skywalking-api/src/main/java/com/ai/cloud/skywalking/constants/Constants.java
+++ b/skywalking-api/src/main/java/com/ai/cloud/skywalking/constants/Constants.java
@@ -2,5 +2,11 @@ package com.ai.cloud.skywalking.constants;
 
 public class Constants {
 
-    public static final String spiltRegx = "^~";
+    public static final String SPAN_FIELD_SPILT_PATTERN = "^~";
+
+    public static final String BUSINESSKEY_SPILT_PATTERN = "~^";
+
+    public static final String NEW_LINE_CHARACTER_PATTERN = "\\n";
+
+    public static final String EXCEPTION_SPILT_PATTERN = "^";
 }
diff --git a/skywalking-api/src/main/java/com/ai/cloud/skywalking/context/Span.java b/skywalking-api/src/main/java/com/ai/cloud/skywalking/context/Span.java
index 04e01a435..3f81667a6 100644
--- a/skywalking-api/src/main/java/com/ai/cloud/skywalking/context/Span.java
+++ b/skywalking-api/src/main/java/com/ai/cloud/skywalking/context/Span.java
@@ -134,53 +134,54 @@ public class Span {
     @Override
     public String toString() {
         StringBuilder toStringValue = new StringBuilder();
-        toStringValue.append(traceId + Constants.spiltRegx);
+        toStringValue.append(traceId + Constants.SPAN_FIELD_SPILT_PATTERN);
 
         if (!StringUtil.isEmpty(parentLevel)) {
-            toStringValue.append(parentLevel + Constants.spiltRegx);
+            toStringValue.append(parentLevel + Constants.SPAN_FIELD_SPILT_PATTERN);
         } else {
-            toStringValue.append(" " + Constants.spiltRegx);
+            toStringValue.append(" " + Constants.SPAN_FIELD_SPILT_PATTERN);
         }
 
-        toStringValue.append(levelId + Constants.spiltRegx);
+        toStringValue.append(levelId + Constants.SPAN_FIELD_SPILT_PATTERN);
 
         if (!StringUtil.isEmpty(viewPointId)) {
-            toStringValue.append(viewPointId + Constants.spiltRegx);
+            toStringValue.append(viewPointId + Constants.SPAN_FIELD_SPILT_PATTERN);
         } else {
-            toStringValue.append(" " + Constants.spiltRegx);
+            toStringValue.append(" " + Constants.SPAN_FIELD_SPILT_PATTERN);
         }
 
-        toStringValue.append(startDate + Constants.spiltRegx);
-        toStringValue.append(cost + Constants.spiltRegx);
+        toStringValue.append(startDate + Constants.SPAN_FIELD_SPILT_PATTERN);
+        toStringValue.append(cost + Constants.SPAN_FIELD_SPILT_PATTERN);
 
         if (!StringUtil.isEmpty(address)) {
-            toStringValue.append(address + Constants.spiltRegx);
+            toStringValue.append(address + Constants.SPAN_FIELD_SPILT_PATTERN);
         } else {
-            toStringValue.append(" " + Constants.spiltRegx);
+            toStringValue.append(" " + Constants.SPAN_FIELD_SPILT_PATTERN);
         }
 
-        toStringValue.append(statusCode + Constants.spiltRegx);
+        toStringValue.append(statusCode + Constants.SPAN_FIELD_SPILT_PATTERN);
 
         if (!StringUtil.isEmpty(exceptionStack)) {
-            toStringValue.append(exceptionStack + Constants.spiltRegx);
+            toStringValue.append(exceptionStack + Constants.SPAN_FIELD_SPILT_PATTERN);
         } else {
-            toStringValue.append(" " + Constants.spiltRegx);
+            toStringValue.append(" " + Constants.SPAN_FIELD_SPILT_PATTERN);
         }
 
-        toStringValue.append(spanType + Constants.spiltRegx);
-        toStringValue.append(isReceiver + Constants.spiltRegx);
+        toStringValue.append(spanType + Constants.SPAN_FIELD_SPILT_PATTERN);
+        toStringValue.append(isReceiver + Constants.SPAN_FIELD_SPILT_PATTERN);
 
 
         if (!StringUtil.isEmpty(businessKey)) {
-            toStringValue.append(businessKey + Constants.spiltRegx);
+            toStringValue.append(businessKey.replaceAll(Constants.NEW_LINE_CHARACTER_PATTERN,
+                    Constants.BUSINESSKEY_SPILT_PATTERN) + Constants.SPAN_FIELD_SPILT_PATTERN);
         } else {
-            toStringValue.append(" " + Constants.spiltRegx);
+            toStringValue.append(" " + Constants.SPAN_FIELD_SPILT_PATTERN);
         }
 
         if (!StringUtil.isEmpty(processNo)) {
             toStringValue.append(processNo);
         } else {
-            toStringValue.append(" " + Constants.spiltRegx);
+            toStringValue.append(" " + Constants.SPAN_FIELD_SPILT_PATTERN);
         }
 
         return toStringValue.toString();
diff --git a/skywalking-api/src/main/java/com/ai/cloud/skywalking/util/ExceptionHandleUtil.java b/skywalking-api/src/main/java/com/ai/cloud/skywalking/util/ExceptionHandleUtil.java
index 024e12d67..21026ca0f 100644
--- a/skywalking-api/src/main/java/com/ai/cloud/skywalking/util/ExceptionHandleUtil.java
+++ b/skywalking-api/src/main/java/com/ai/cloud/skywalking/util/ExceptionHandleUtil.java
@@ -1,5 +1,6 @@
 package com.ai.cloud.skywalking.util;
 
+import com.ai.cloud.skywalking.constants.Constants;
 import com.ai.cloud.skywalking.context.Context;
 import com.ai.cloud.skywalking.context.Span;
 
@@ -21,13 +22,14 @@ public final class ExceptionHandleUtil {
         try {
             buf.close();
         } catch (IOException e1) {
-            expMessage.append("\n本地发送埋点关闭异常读入流异常，异常信息:");
+            expMessage.append("\nClose exception stack input stream failed:\n");
             expMessage.append(e1.getCause().getMessage());
         }
         if (expMessage.length() <= MAX_EXCEPTION_STACK_LENGTH) {
-            return expMessage.toString().replaceAll("\\n", "^");
+            return expMessage.toString().replaceAll(Constants.NEW_LINE_CHARACTER_PATTERN, Constants.EXCEPTION_SPILT_PATTERN);
         } else {
-            return expMessage.toString().replaceAll("\\n", "^").substring(0, MAX_EXCEPTION_STACK_LENGTH);
+            return expMessage.toString().replaceAll(Constants.NEW_LINE_CHARACTER_PATTERN, Constants.EXCEPTION_SPILT_PATTERN)
+                    .substring(0, MAX_EXCEPTION_STACK_LENGTH);
         }
     }