diff --git a/api.py b/api.py
index ae6bd4e..f7e7c66 100644
--- a/api.py
+++ b/api.py
@@ -134,7 +134,7 @@ class Coins_add(BaseModel):
 	amount: str
 @app.post('/api/coins_add/')
 def coins_add(it: Coins_add):
-	token, id, amount = it.token, it.id, float(it.amount)
+	token, id, amount = it.token, it.id, abs(float(it.amount))
 	if token_check(token):
 		db = read()
 		db['id'][id]['bal'] = fix_add(db['id'][id]['bal'], amount)
@@ -150,13 +150,16 @@ class Coins_del(BaseModel):
 	amount: str
 @app.post('/api/coins_del/')
 def coins_del(it: Coins_del):
-	token, id, amount = it.token, it.id, float(it.amount)
+	token, id, amount = it.token, it.id, abs(float(it.amount))
 	if token_check(token):
 		db = read()
-		db['id'][id]['bal'] = fix_sub(db['id'][id]['bal'], amount)
-		write(db)
-		stat_run(amount*-1)
-		return 'OK'
+		if db['id'][id]['bal'] >= amount:
+    		db['id'][id]['bal'] = fix_sub(db['id'][id]['bal'], amount)
+    		write(db)
+    		stat_run(amount*-1)
+    		return 'OK'
+    	else:
+    	    return 'Error'
 	else:
 		return 'Error'