diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustArraySerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustArraySerializer.java
index 3c34d8e1..18b24de6 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustArraySerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustArraySerializer.java
@@ -87,7 +87,7 @@ public class RustArraySerializer implements IRustSerializer {
         GenerateProtocolFile.addTab(builder, deep);
         builder.append(StringUtils.format("if {} > 0 {", size)).append(LS);
         GenerateProtocolFile.addTab(builder, deep + 1);
-        builder.append(StringUtils.format("for {} in 0 .. {} {", i, size)).append(LS);
+        builder.append(StringUtils.format("for {} in 0..{} {", i, size)).append(LS);
         String readObject = CodeGenerateRust.rustSerializer(arrayField.getArrayElementRegistration().serializer())
                 .readObject(builder, deep + 2, field, arrayField.getArrayElementRegistration());
         GenerateProtocolFile.addTab(builder, deep + 2);
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustListSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustListSerializer.java
index 57bbd51b..bf954ba5 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustListSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustListSerializer.java
@@ -87,7 +87,7 @@ public class RustListSerializer implements IRustSerializer {
 
         GenerateProtocolFile.addTab(builder, deep + 1);
         String i = "index" + GenerateProtocolFile.localVariableId++;
-        builder.append(StringUtils.format("for {} in 0 .. {} {", i, size)).append(LS);
+        builder.append(StringUtils.format("for {} in 0..{} {", i, size)).append(LS);
         String readObject = CodeGenerateRust.rustSerializer(listField.getListElementRegistration().serializer())
                 .readObject(builder, deep + 2, field, listField.getListElementRegistration());
         GenerateProtocolFile.addTab(builder, deep + 2);
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustMapSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustMapSerializer.java
index 9166bd58..6b784fe0 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustMapSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustMapSerializer.java
@@ -91,7 +91,7 @@ public class RustMapSerializer implements IRustSerializer {
 
         String i = "index" + GenerateProtocolFile.localVariableId++;
         GenerateProtocolFile.addTab(builder, deep + 1);
-        builder.append(StringUtils.format("for {} in 0 .. {} {", i, size)).append(LS);
+        builder.append(StringUtils.format("for {} in 0..{} {", i, size)).append(LS);
         String keyObject = CodeGenerateRust.rustSerializer(mapField.getMapKeyRegistration().serializer())
                 .readObject(builder, deep + 2, field, mapField.getMapKeyRegistration());
 
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustSetSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustSetSerializer.java
index 78c61b04..4646c159 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustSetSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/rust/RustSetSerializer.java
@@ -88,7 +88,7 @@ public class RustSetSerializer implements IRustSerializer {
 
         GenerateProtocolFile.addTab(builder, deep + 1);
         String i = "index" + GenerateProtocolFile.localVariableId++;
-        builder.append(StringUtils.format("for {} in 0 .. {} {", i, size)).append(LS);
+        builder.append(StringUtils.format("for {} in 0..{} {", i, size)).append(LS);
         String readObject = CodeGenerateRust.rustSerializer(setField.getSetElementRegistration().serializer())
                 .readObject(builder, deep + 2, field, setField.getSetElementRegistration());
         GenerateProtocolFile.addTab(builder, deep + 2);