diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/docTranslation/utils/TranslationDocumentUtils.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/docTranslation/utils/TranslationDocumentUtils.java
index 4ea483db6..8e4aa43a5 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/docTranslation/utils/TranslationDocumentUtils.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/docTranslation/utils/TranslationDocumentUtils.java
@@ -88,11 +88,15 @@ public class TranslationDocumentUtils {
                     if(i == 0){
                         translateFrontTextSplit = translateFrontText.substring(0,splitLength);
                     }else {
+                        //每一次截取开始的下标
+                        int startSplitLength = i*(splitLength) + 1;
                         //如果长度不够根据splitLength再截取一次。
-                        if(translateFrontText.length() < i*splitLength+(splitLength+1)){
-                            translateFrontTextSplit = translateFrontText.substring(i*(splitLength + 1),translateFrontText.length());
+                        if(translateFrontText.length() < i*splitLength+(splitLength)){
+                            if(startSplitLength < translateFrontText.length()){
+                                translateFrontTextSplit = translateFrontText.substring(startSplitLength,translateFrontText.length());
+                            }
                         }else {
-                            translateFrontTextSplit = translateFrontText.substring(i*(splitLength + 1),i*splitLength+(splitLength+1));
+                            translateFrontTextSplit = translateFrontText.substring(startSplitLength,i*splitLength+(splitLength));
                         }
                     }