fix: 修复读取响应体时的变量命名错误

Author: tbphp

internal/proxy/server.go

@@ -344,12 +344,12 @@ func (ps *ProxyServer) executeRequestWithRetry(c *gin.Context, startTime time.Ti
 
 		// Read response body to get error information
 		var errorMessage string
-		bodyBytes, err := io.ReadAll(resp.Body)
+		errorBodyBytes, err := io.ReadAll(resp.Body)
 		if err != nil {
 			errorMessage = fmt.Sprintf("HTTP %d (failed to read body: %v)", resp.StatusCode, err)
 		} else {
 			if resp.Header.Get("Content-Encoding") == "gzip" {
-				reader, gErr := gzip.NewReader(bytes.NewReader(bodyBytes))
+				reader, gErr := gzip.NewReader(bytes.NewReader(errorBodyBytes))
 				if gErr != nil {
 					errorMessage = fmt.Sprintf("gzip reader error: %v", gErr)
 				} else {
@@ -362,7 +362,7 @@ func (ps *ProxyServer) executeRequestWithRetry(c *gin.Context, startTime time.Ti
 					}
 				}
 			} else {
-				errorMessage = string(bodyBytes)
+				errorMessage = string(errorBodyBytes)
 			}
 		}