diff --git a/docs/doc/30-reference/20-functions/10-aggregate-functions/aggregate-avg-if.md "b/\346\226\207\346\241\243/\345\214\273\347\224\237/30-\345\217\202\350\200\203/20 \347\247\215\345\212\237\350\203\275/10 \350\201\232\345\220\210\345\207\275\346\225\260/aggregate-avg-if.md"
similarity index 92%
rename from docs/doc/30-reference/20-functions/10-aggregate-functions/aggregate-avg-if.md
rename to "\346\226\207\346\241\243/\345\214\273\347\224\237/30-\345\217\202\350\200\203/20 \347\247\215\345\212\237\350\203\275/10 \350\201\232\345\220\210\345\207\275\346\225\260/aggregate-avg-if.md"
index a057711694c98..ae9b7973b6f45 100644
--- a/docs/doc/30-reference/20-functions/10-aggregate-functions/aggregate-avg-if.md
+++ "b/\346\226\207\346\241\243/\345\214\273\347\224\237/30-\345\217\202\350\200\203/20 \347\247\215\345\212\237\350\203\275/10 \350\201\232\345\220\210\345\207\275\346\225\260/aggregate-avg-if.md"	
@@ -25,7 +25,7 @@ SELECT avg(number) FROM numbers(10);
 |         4.5 |
 +-------------+
 
-SELECT avgIf(number, number > 7) FROM numbers(10);
+SELECT avg_if(number, number > 7) FROM numbers(10);
 +-----------------------------+
 | avgIf(number, (number > 7)) |
 +-----------------------------+