diff --git a/03：类与对象/img/生物分类.drawio.svg b/03：类与对象/img/生物分类.drawio.svg
index 00158d4..9ca9e07 100644
--- a/03：类与对象/img/生物分类.drawio.svg
+++ b/03：类与对象/img/生物分类.drawio.svg
@@ -1,4 +1,4 @@
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@@ -73,13 +73,13 @@
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                         <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
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+                                菌
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+                    菌
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@@ -219,13 +219,13 @@
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+                                YYY
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-                    XXXX
+                    YYY
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@@ -236,13 +236,13 @@
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-                                XXXX
+                                ZZZ
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