diff --git a/src/main/java/org/jcnc/snow/compiler/lexer/core/LexerEngine.java b/src/main/java/org/jcnc/snow/compiler/lexer/core/LexerEngine.java
index 672116f..ec69e67 100644
--- a/src/main/java/org/jcnc/snow/compiler/lexer/core/LexerEngine.java
+++ b/src/main/java/org/jcnc/snow/compiler/lexer/core/LexerEngine.java
@@ -37,7 +37,7 @@ public class LexerEngine {
      * @param sourceName 文件名（诊断用）
      */
     public LexerEngine(String source, String sourceName) {
-        this.absPath = new File(sourceName).getAbsolutePath();
+        this.absPath = new File(sourceName).getAbsolutePath().replace('\\', '/');
         this.context = new LexerContext(source);
         this.scanners = List.of(
                 new WhitespaceTokenScanner(),
diff --git a/src/main/java/org/jcnc/snow/compiler/lexer/core/LexicalError.java b/src/main/java/org/jcnc/snow/compiler/lexer/core/LexicalError.java
index b036fa0..ae928d4 100644
--- a/src/main/java/org/jcnc/snow/compiler/lexer/core/LexicalError.java
+++ b/src/main/java/org/jcnc/snow/compiler/lexer/core/LexicalError.java
@@ -50,6 +50,6 @@ public class LexicalError {
      */
     @Override
     public String toString() {
-        return file + ": 行 " + line + ", 列 " + column + ": " + message;
+        return "file:///" + file + ":" + line + ":" + column + ": " + message;
     }
 }
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/context/ParseError.java b/src/main/java/org/jcnc/snow/compiler/parser/context/ParseError.java
index 24c1d27..c32d95e 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/context/ParseError.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/context/ParseError.java
@@ -40,6 +40,6 @@ public class ParseError {
      */
     @Override
     public String toString() {
-        return file + ": 行 " + line + ", 列 " + column + ": " + message;
+        return "file:///" + file + ":" + line + ":" + column + ": " + message;
     }
 }
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/context/ParserContext.java b/src/main/java/org/jcnc/snow/compiler/parser/context/ParserContext.java
index b9c9852..e9ce832 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/context/ParserContext.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/context/ParserContext.java
@@ -39,7 +39,7 @@ public class ParserContext {
      */
     public ParserContext(List<Token> tokens, String sourceName) {
         this.tokens = new TokenStream(tokens);
-        this.sourceName = Paths.get(sourceName).toAbsolutePath().toString();
+        this.sourceName = Paths.get(sourceName).toAbsolutePath().toString().replace('\\', '/');
     }
 
 
diff --git a/src/main/java/org/jcnc/snow/compiler/semantic/error/SemanticError.java b/src/main/java/org/jcnc/snow/compiler/semantic/error/SemanticError.java
index ce7bfc4..c43e6c9 100644
--- a/src/main/java/org/jcnc/snow/compiler/semantic/error/SemanticError.java
+++ b/src/main/java/org/jcnc/snow/compiler/semantic/error/SemanticError.java
@@ -48,9 +48,9 @@ public record SemanticError(Node node, String message) {
         }
 
 
-        StringBuilder sb = new StringBuilder();
-        if (file != null && !file.isBlank()) sb.append(file).append(": ");
-        sb.append((line >= 0 && col >= 0) ? "行 " + line + ", 列 " + col : "未知位置");
+        StringBuilder sb = new StringBuilder("file:///");
+        if (file != null && !file.isBlank()) sb.append(file).append(":");
+        sb.append((line >= 0 && col >= 0) ? line + ":" + col : "未知位置");
         sb.append(": ").append(message);
         return sb.toString();
     }